Surface And Interfacial Cutting Analysis System Research Articles

Evaluation method for microscale mechanical properties of an epoxy resin

This study offers a detailed quantitative evaluation of microscale properties of polymers utilizing the surface and interfacial cutting analysis system (SAICAS) technique. The investigation focuses on the formation of the primary shear zone (PSZ) during cutting, leading to plastic deformation and subsequent chip curling. This research explores various cutting thicknesses, each demonstrating unique chip formation, and applies a lubricant to mitigate friction noise and stabilize chip formation. An in-depth analysis of force geometries is performed to gain insights into chip formation. The shear strength and shear viscosity are calculated using relevant equations, thus enabling the quantitative characterization of the viscoelastic behavior of polymers. Remarkably, the polymers exhibit shear thinning behavior, where their resistance to shear decreases as the shear rate increases. The shear viscosity–shear rate plot follows the Ostwald-de Waele relationship, indicative of plastic flow behavior. The viscoelastic characteristics were validated by comparing the values calculated based on Atkins's theory with the quantified values. Then, the physical meaning of those values were discussed. This study facilitates the direct measurement of mechanical properties in solidified form of the polymer, offering a more precise representation than traditional test piece measurements. In addition, shear viscosity determination of cross-linked materials without pretreatment is achieved, broadening the scope of material analysis through quantitative comparisons.

Advanced multilayer model electrode for binder distribution within composite electrodes of lithium batteries

The loading levels of composite electrodes are increasing continuously to satisfy the energy density requirements of lithium-ion batteries (LIBs) in electric vehicles (EVs). Furthermore, a faster coating and drying process in the mass-production line yields a nonuniform binder distribution. Thus, it is necessary to understand its distribution within the composite electrode and control it for a better and more reliable electrochemical performance. Therefore, we propose the utilization of an advanced multilayer electrode model consisting of several electrode layers with different binder contents. Using these controlled electrode models, the adhesive strength within each layer was examined using a surface and interfacial cutting analysis system (SAICAS). This was followed by a composition analysis using EDX on each surface. Subsequently, the electronic conductivities of the model electrodes were measured using an electrode resistance meter to determine the bulk and interfacial electrode resistances. Furthermore, the electrochemical properties of each model electrode were evaluated to correlate their relationships and design the optimum binder distribution. Thus, this multilayer model provides a highly effective platform for determining the optimum binder distribution in highly loaded composite electrodes for high-energy–density and long-lasting LIBs.

Optimal combination of UV‐induced cationic ring opening polymerization monomers for light‐weight automotive plastic coating

AbstractCROP reactivity of organic coatings composed of three structurally different monomers with epoxy or oxetane derivatives was investigated, focusing on rheological and surface mechanical properties. Real‐time crosslinking behavior of CROP monomers was monitored using a rotational rheometer. Results of differential scanning calorimetry with in situ UV irradiation revealed that the ring opening reactivity of CROP monomers protonated by a photoacid generator (PAG) was correlated with the heat released during the exothermic polymerization reaction. In addition, reaction conversions of monomers with epoxy and oxetane groups were compared using Fourier transform infrared spectroscopy (FT‐IR) under dark curing conditions. Surface and internal mechanical properties of coating films, including adhesion with polycarbonate substrate, were comprehensively evaluated by nano‐indentation, nano‐scratch, and surface and interfacial cutting analysis system (SAICAS) tests. By understanding the unique crosslinking characteristics of each CROP monomer, the ternary CROP monomer system, optimally containing with ECC of 53.6 wt%, DOX of 22.9 wt%, and DEO of 15.3 wt%, exhibited improved crosslinking density (G′ from 104 to 107 Pa) and exceptional mechanical (with scratch resistance increasing from 7.11 to 16.17 mN for Lc1), adhesion (with crosscut resistance increasing from 0 to 5B), and transparency properties, surpassing the performance of unitary ECC coating system.

Effect of interfacial structure on peel strength between Cu and AlN bonded with a Mg–Ti co-deposited film

Eliminating electrochemical migration of Ag is effective for improving the long-term reliability of power modules for high-voltage applications. In this work, a Cu plate was bonded onto an AlN substrate via Mg–Ti co-deposited films with three different compositions as Ag-free bonding materials between 800 and 950 °C for 0.5 h. The interfacial structures and the peel strength between the Cu and AlN were investigated by using the Surface And Interfacial Cutting Analysis System (SAICAS). Cu was bonded onto AlN through a TiN layer consisting of TiN particles and a Cu-containing grain boundary phase. All fractures at the Cu/AlN interface were observed to occur between the TiN layer and AlN after the SAICAS test. The peel strength at the Cu/AlN interface, which was independent of the thickness of the TiN layer, increased exponentially with increasing bonding temperature. Cu-containing phases, such as grain boundary phases and segregation phases between TiN particles and AlN, were present at the TiN layer/AlN interface. Mg and O were segregated at the interface, which had a high peel strength between the Cu-containing phase and AlN, while at the signal peak position of Mg, a plateau was observed in the Al concentration distribution between the Cu-containing phase and TiN particle. The peel strength of the Cu-containing phase/AlN interface, which increased as the O concentration in the Mg-containing segregation layer increased, dominated that of the TiN layer/AlN interface.

Measurement and Analysis of Mechanical Properties of All-Solid-State Electrodes Fabricated By Dry Process with Saicas

Due to battery fire accidents while driving and charging an electric vehicle, research on improving battery safety as well as increasing the energy density has been extensively performed. For this purpose, an all-solid-state battery without the flammable liquid electrolyte is being more actively conducted. Among various solid electrolyte types, the sulfide-based solid electrolyte has been investigated as the most promising candidate owing to its high ionic conductivity and ductility. However, since sulfide solid electrolyte is too reactive to organic solvents like N-methyl pyrrolidone, a few nonpolar solvents (xylene or toluene) can be used to fabricate sulfide solid electrolyte. Thus, except for rubber binders such as nitrile butadiene rubber, other conventional adhesive binders are excluded from candidates. So, to solve this limitation fundamentally, a dry process without any solvents must be an attractive method for using the sulfide electrolyte in battery manufacturing process. For example, polytetrafluoroethylene (PTFE) is frequently used for fabricating all-solid-state electrode (ASSE) with sulfide electrolytes due to its wonderful fibrilization property. However, comparing to the wet process, it is more challenging to distribute all the electrode components uniformly in the dry process, where all the components are mixed through kneading the electrode dough. That is, to maximize the electrochemical performances of ASSEs, it is essential to evaluate the mechanical properties of ASSEs fabricated from dry process and to quantify them for optimization. However, most of research on ASSEs have been focused on their electrochemical performances up to now.Thus, in this work, we attempted to measure the mechanical properties of ASSEs with sulfide electrolyte using a surface and interfacial cutting analysis system (SAICAS). The ASSEs were fabricated through dry process while changing the PTFE binder content. Subsequently, both bulk and interfacial adhesive strengths were analyzed systematically and deliberately by a few μm resolution. Furthermore, to unveil the surface, bulk, and interfacial electrical properties are also measured using an electrode resistance measuring instrument (HIOKI RM2610). Thus, we can provide a correlation between binder content and mechanical/electrical properties of dry ASSEs. Finally, comparative results based on wet processed ASSEs will also be included in this work.

Stabilization of Li Metal Powder Anodes on Cu Foil Current Collectors Using Thin Carbon Interlayers

Due to the highest theoretical capacity, the Li metal anode is considered to be the most ideal anode materials for large-scale batteries, if the problems related to Li dendrite growth can be overcome. Obviously, as most people know well, enlarging the surface area of the Li metal has quite an influence on lower the effective current density to suppress the lithium dendrite growth of lithium metal secondary batteries (LMSB). For this reason, lithium metal powder (LiMP) has attracted much attention for use in electrodes because of its 4.5 times higher surface area compared to lithium foil. However, the electrolyte can be fully penetrated to the LiMP electrode due to its porosity, which leads to galvanic corrosion between Cu foil and LiMP particles. Furthermore, repeated cycling deepens the delamination of lithium particles from Cu foil and results in excess dead lithium particles.Herein, we address this problem by coating the submicron-thickness (~600 nm) carbon interlayer on Cu foil for the LiMP electrode. Despite the LiMP electrode that exists under the electrolyte, the nanoscale carbon interlayer plays an important role in enhancing the adhesive strength between LiMP particle and Cu foil. To confirm the role of the carbon interlayer, we succeeded in quantifying the adhesive strength at the Li/Cu interface for the first time using a surface and interfacial cutting analysis system (SAICAS). Furthermore, the seeding effect of the carbon interlayer in Li/Li symmetric cells and improving electrochemical performance in thin LiMP (40 μm) based cell.

Cost-effective and strongly integrated fabric-based wearable piezoelectric energy harvester

Abstract Fabric-based wearable electronics are becoming more important in the fourth industrial revolution (4IR) era due to their connectivity, wearability, comfort, and durability. Conventional fabric-based wearable electronics have been demonstrated by several researchers, but still need complex methods or additional supports to be fabricated and sewed in clothing. Herein, a cost-effective, high throughput, and strongly integrated fabric-based wearable piezoelectric energy harvester (fabric-WPEH) is demonstrated. The fabric-WPEH has a heterostructure of a ferroelectric polymer, poly(vinylidene fluoride-co-trifluoroethylene) [P(VDF-TrFE)] and two conductive fabrics via simple fabrication of tape casting and hot pressing. Our fabrication process would enable the direct application of the unit device to general garments using hot pressing as graphic patches can be attached to the garments by heat press. Simulation and experimental analysis demonstrate fully bendable, compact and concave interfaces and a high piezoelectric d 33 coefficient (−32.0 pC N−1) of the P(VDF-TrFE) layer. The fabric-WPEH generates piezoelectric output signals from human motions (pressing, bending) and from quantitative force test machine pressing. Furthermore, a record high interfacial adhesion strength (22 N cm−1) between the P(VDF-TrFE) layer and fabric layers has been measured by surface and interfacial cutting analysis system (SAICAS) for the first time in the field of fabric-based wearable piezoelectric electronics.

Unraveling the cohesive and interfacial adhesive strengths of electrodes for automotive fuel cells

Despite the pressing need to develop highly durable electrodes for electric vehicles powered by polymer electrolyte membrane fuel cells (PEMFCs), evaluating the mechanical robustness of the electrodes in membrane electrode assemblies (MEAs) has proven challenging because the electrodes are intrinsically porous and brittle. Herein, we propose a novel technique for effectively quantifying the mechanical robustness of the electrodes using a surface and interfacial cutting analysis system (SAICAS). The SAICAS enables the separate quantification of cohesion and adhesion of PEMFC electrodes. We find that the adhesion at the interface is higher than the cohesion in the bulk owing to a larger intermolecular diffusion at the interface than in the bulk. Also, the SAICAS could reliably quantify the cohesion and adhesion of PEMFC electrodes having different ionomer contents and assembly temperatures. Our findings are intriguing and will be useful for the efficient and effective design and development of robust electrodes and MEAs.

New Analytical Method to Reveal the Adhesion Properties in the Composite Electrodes for Lithium-Ion Batteries

Adhesion properties such as adhesion strength within the composite electrodes are receiving considerable attention as their loading levels increase ceaselessly for higher energy density. Without controlling those properties appropriately within the electrode, not only short-term electrochemical performance but also long-term reliability cannot be secured. To address this limitation, a new analysis tool, surface and interfacial cutting analysis system (SAICAS), has been developed and utilized to investigate the adhesion properties of the composite electrodes for lithium-ion batteries (LIBs). Comparing to the conventional peel test, the SAICAS can provide the horizontal force during peeling process at any depths in the composite electrode. So, those horizontal forces have some relationship with the real adhesion strength. In this work, we will introduce the measuring principles and applications of the SAICAS for the composite electrodes of LIBs. With a number of composite electrodes having different compositions and design parameters (loading and density), we confirm that the SAICAS can provide reliable adhesion strengths in the bulk as well as at the interface. Moreover, with the adhesion strengths at different depths, the polymeric distribution within the electrode can be estimated directly and efficiently without conducting complex and time-consuming post analysis works.

Study on the Distribution of Polymeric Binder in Lib Composite Electrodes By Measuring Adhesion at Different Depths

As the loading level or thickness of LIB composite electrodes increases, it becomes more difficult to uniformly distribute all components within the electrode. Because electric conductors are very small and light, they tend to rise upwards during drying process. Especially, to speed up the electrode fabrication process, not only drying temperature but also coating speed is maximized for reducing production costs. In this harsh condition, the polymeric binder tends to be unevenly distributed depending on the depth of electrode. Nevertheless, due to limited analysis tools, it had been left as research area to explore. Meanwhile, since a new tool, surface and interfacial cutting analysis system (SAICAS), was developed, the adhesion properties of the composite electrodes could be measured deliberately while changing the depth. Herein, we attempted to unveil the polymeric binder distribution by measuring the adhesion strength at different depths. In order to increase the reliability of the analytical results, composite electrode samples having different binder compositions and distributions were prepared and used for this study. At the same time, the compositional analysis with x-ray photoelectron spectroscopy were also conducted to confirm the binder distribution as a function of electrode depth. Finally, we investigated the effect of binder distribution on the electrochemical properties as well.

Improving the Cycling Performance of Lithium Ion Batteries Silicon/Graphite Anodes Using PI Binder

As the market for Electric Vehicles (EV) and Energy Storage System (ESS) grows, there is a growing demand for Lithium secondary batteries with high energy density. However, graphite (372 mAh g-1 for LiC6), a commercially available anode active material, is not suitable for large scale battery system such as EV or ESS due to its low theoretical capacity. Although, Silicon (Si, 4200 mAh g-1 for Li22Si5 or Li4.4Si) has a higher theoretical capacity than graphite, it has not been successfully implemented in commercialized LIBs due to suffering from large volume changes (> 300 %) during alloying and dealloying. Moreover, the stresses accompanying these changes cause mechanical failure and result in severely degraded electrochemical performances of Si electrodes. Consequently, Si/C composite anodes (Si/C anodes), wherein Si constitutes only a portion of the active material, have been proposed as an alternative to pure Si anodes. This approach exhibits certain advantages, since even if the theoretical anode capacity increases infinitely, the total theoretical capacity of the battery soon reaches saturation due to the limited theoretical capacity of the cathode. Herein, we used PVdF and P84 binder in high-loading Si/C anodes (~4.0 mg cm-2) and investigated their electrochemical and mechanical properties. Specifically, mechanical properties such as electrochemical stability, cycling performance and rate capability were evaluated using cyclic voltammetry, with the corresponding data recorded using a battery cycler. The mechanical properties of the above anodes were evaluated using Surface And Interfacial Cutting Analysis System (SAICAS).

Structural Effect of Conductive Carbons on the Adhesion and Electrochemical Behavior of NMC-442 Cathode for Lithium Ion Battery

The adhesion strength as well as the electrochemical properties of LiNi0.4Mn0.4Co0.2O2 electrodes containing fiber-like carbon; vapor grown carbon fiber (VGCF), carbon nanotube (CNT) and particle-like carbon; super P (SP), ketjen black (KB) were compared. The morphological properties revealing the interaction between the different conductive carbons (CCs) and the active material was investigated using scanning electron microscope. The adhesion strength between the aluminum current collector and the composite film (AC/Al), and the adhesion strength between the active material and the CCs (Amid) of the electrodes were measured using surface and interfacial cutting analysis system (SAICAS). The results obtained from the measured adhesion strength points to the fact that, the structure and the particle size of conductive additives have tremendous influence on the binding property of the composite electrodes and this in turn affects the electrochemical property of the configured electrodes.

Unveiling Polymeric Binder Distribution within Electrodes for High-Energy-Density Li-Ion Batteries By Measuring Adhesion Properties As a Function of Depth

To improve the energy density of state-of-the-art lithium-ion batteries (LIBs), there are still extensive efforts to find new materials to deliver higher capacity. However, it takes a long time to put some candidates into a practical usage. Along with it, to optimize the electrode or cell design is in parallel and continuously upgraded by increasing loading level of electrodes or decreasing inactive material content within the cell. For this purpose, it is very important to analyze the polymeric binder distribution within the electrode carefully. However, due to limited analysis tools, it is too time-consuming process to get informative data. Fortunately, a new tool, surface and interfacial cutting analysis system (SAICAS), was developed and being used to reveal the adhesion properties of composite electrodes for LIBs [1-5]. Herein, we report the possibility to unveil the polymeric binder distribution with the electrode by correlating the adhesion strength to relative polymeric binder content. Totally different binder distribution within the electrode was built by controlling the drying temperature and confirmed by an EDX mapping technique. In addition, their electrochemical performance is also compared by changing operation conditions [6].

Elucidating the Polymeric Binder Distribution within Lithium-Ion Battery Electrodes Using SAICAS.

Polymeric binder distribution within electrodes is crucial to guarantee the electrochemical performance of lithium-ion batteries (LIBs) for their long-term use in applications such as electric vehicles and energy-storage systems. However, due to limited analytical tools, such analyses have not been conducted so far. Herein, the adhesion properties of LIB electrodes at different depths are measured using a surface and interfacial cutting analysis system (SAICAS). Moreover, two LiCoO2 electrodes, dried at 130 and 230 °C, are carefully prepared and used to obtain the adhesion properties at every 10 μm of depth as well as the interface between the electrode composite and the current collector. At high drying temperatures, more of the polymeric binder material and conductive agent appears adjacent to the electrode surface, resulting in different adhesion properties as a function of depth. When the electrochemical properties are evaluated at different temperatures, the LiCoO2 electrode dried at 130 °C shows a much better high-temperature cycling performance than does the electrode dried at 230 °C due to the uniform adhesion properties and the higher interfacial adhesion strength.

Comparative Study of the Adhesion Properties of Ceramic Composite Separators Using a Surface and Interfacial Cutting Analysis System for Lithium-Ion Batteries.

Because of the constantly increasing demand for highly safe lithium-ion batteries (LIBs), interest in the development of ceramic composite separators (CCSs) is growing rapidly. Here, an in-depth study of the adhesion properties of the Al2O3 ceramic composite coating layer of CCSs is conducted using a peel test and a surface and interfacial cutting analysis system (SAICAS). Contrary to the 90 and 180° peel tests, which resulted in different adhesion strengths even for the same CCS sample, the SAICAS is able to measure the adhesion properties uniformly as a function of depth from the surface of the coating layer. The adhesion strengths measured at the midlayer (Fmid) and interface (Finter, interlayer between the separator and the ceramic coating layer) are compared for various types of CCS samples with different amounts of polymeric binder, and it is found that Finter is higher than Fmid for all CCSs. Compared with Fmid, Finter is significantly affected by storage in the liquid electrolyte (under wet condition).

Improvement of the Electrochemical Performance of Si Anodes By Use of Ultrathin Polydopamine Coating upon Conductive Carbon Particles

Although silicon (Si) have received worldwide attention as a promising anode candidate because they are not only able to provide high theoretical capacity ~3500 mAh g-1 but also cheap and environmentally friendly source, a successful implementation of Si anode based lithium-ion batteries (LIBs) has been hindered thus far. This is because Si anodes suffer from huge volume change (c.a. 300%) during cycling. To improve cycle performance of Si anode based LIBs, the mechanical stress should be efficiently alleviated. In this study, we developed surface modified conductive additive by use a mussel-inspired polymeric material: polydopamine (PD). Due to hydrophilic moiety of PD coating layer, PD-treated Super-P was well dispersed in the water, thus we could use poly(acrylic acid) (PAA) as a polymeric binder. PD-treated Super-P achieved highly improved cycle performance of Si anodes. Using FT-IR, we verified that the improved cycle performance is attributable to the newly formed covalent bonds between the amine group in PD-treated Super-P and the hydroxyl group in PAA. Furthermore, we evaluated adhesion property of anode composite using a Surface And Interfacial Cutting Analysis System (SAICAS). PD-treated Super-P showed the highest adhesion value compared to bare Super-P. Acknowledgements This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT & Future Planning (2014R1A1A1005861).

Three-Dimensional Adhesion Map Based on Surface and Interfacial Cutting Analysis System for Predicting Adhesion Properties of Composite Electrodes.

Using a surface and interfacial cutting analysis system (SAICAS) that can measure the adhesion strength of a composite electrode at a specific depth from the surface, we can subdivide the adhesion strength of a composite electrode into two classes: (1) the adhesion strength between the Al current collector and the cathode composite electrode (FAl-Ca) and (2) the adhesion strength measured at the mid-depth of the cathode composite electrode (Fmid). Both adhesion strengths, FAl-Ca and Fmid, increase with increasing electrode density and loading level. From the SAICAS measurement, we obtain a mathematical equation that governs the adhesion strength of the composite electrodes. This equation revealed a maximum accuracy of 97.2% and 96.1% for FAl-Ca and Fmid, respectively, for four randomly chosen composite electrodes varying in electrode density and loading level.

Quick Preparation of Moisture-Saturated Carbon Fiber-Reinforced Plastics and Their Accelerated Ageing Tests Using Heat and Moisture.

A quick method involving the control of heat and water vapor pressure for preparing moisture-saturated carbon fiber-reinforced plastics (CFRP, 8 unidirectional prepreg layers, 1.5 mm thickness, epoxy resin) has been developed. The moisture-saturated CFRP sample was obtained at 120 °C and 0.2 MPa water vapor in 72 h by this method using a sterilizer (autoclave). The bending strength and viscoelastic properties measured by a dynamic mechanical analysis (DMA) remained unchanged during repetitive saturation and drying steps. No degradation and molecular structural change occurred. Furthermore an accelerated ageing test with two ageing factors, i.e., heat and moisture was developed and performed at 140–160 °C and 0.36–0.62 MPa water vapor pressure by using a sealed pressure-proof stainless steel vessel (autoclave). The bending strength of the sample decreased from 1107 to 319 MPa at 160 °C and 0.63 MPa water vapor pressure in 9 days. Degraded samples were analyzed by DMA. The degree of degradation for samples was analyzed by DMA. CFRP and degraded CFRP samples were analyzed by using a surface and interfacial cutting analysis system (SAICAS) and an electron probe micro-analyzer (EPMA) equipped in a scanning electron microscope.

Polydopamine-Coated Current Collector: Improving the Electrochemical Performance of Si Anode By Raising the Interfacial Adhesion Strength

The high theoretical capacity of Si has made it a promising candidate for high energy density and large-scale lithium ion battery (LIB) anode. However, this system exhibits rapid capacity decay and hence poor cycling performance due to huge volume expansion of about 300% when Li-ion inserts into the Si particle during charging. Experimental observations suggest the formation of cracks at the early stages of cycling due to this volume expansion. The continuous mechanical stressing and fracturing of Si particles lead to the pulverization of the electrode and formation of dead Si particles. In particular, dead particles detached from current collector can mainly occur decay of electrochemical performance of lithium ion batteries.[1,2] Hence, we tried to improve the interfacial adhesion between the Si electrode layer and the current collector by making a hydrophilic layer on the current collector through polydopamine coating and induce cross-linking of polydopamine (PD) and polyacrylic acid (PAA) binder. The contact angle and the interfacial adhesion between the electrode and the PD coated and bare current collector were analyzed using Phoenix 300 Touch and the Surface And Interfacial Cutting Analysis System(SAICAS), respectively. From the SAICAS analysis, the adhesion strength between PD-coated current collector and Si electrode layer was improved comparing to the bare system. (Bare current collector: 0.2455 kN m-1 and PD-coated current collector: 0.3532kN m-1). The PD-coated current collector showed a higher hydrophilicity to the electrolyte than the bare current collector. The cycle performance of the cell was greatly enhanced by the PD coating on the anode current collector. The present studies suggest that, the coating of PD and induced cross-linking of PD and PAA improves the electrochemical performance of the Si anode. Acknowledgement This work was supported by the Human Resource Training Program for Regional Innovation and Creativity through the Ministry of Education and National Research Foundation of Korea(NRF-2014H1C1A1066977)

A New and Facile Method to Improve the Electrochemical Performance of Si Anode: Ultrathin Polydopamine Coating upon Conductive Carbon Particles

Si-based active materials started to be used for small lithium-ion batteries (LIBs) such as 18650 cells with 3.5Ah (INR18650MJ1) in 2015 by LG Chem. However, its relative amount is known to be much smaller than graphitic materials due to the continuous pulverization caused by large volume change during cycling. The gas generation originated from electrolyte decomposition could lead to fast capacity decay of LIB cells. However, regardless of lots of trials such as how to construct nanostructured Si particles and design new adhesive binders, more efficient methods still have to be devised extensively. In this study, we are interested in modifying the surface property of conductive carbon materials, because they have relatively high volume ratio within the electrode and lots of contact points with Si particles. In addition, if there are some crosslinkable moieties upon the conductive carbons, all the Si particles will be well maintained electrochemically active within the electrode. Based on these strategies, we tried to coat the polydopamine (PD) upon conductive carbons, Super-P, as thin as possible not to impede their electrical conduction. The prepared PD-coated Super-P (PD-SP) was well dispersed even within the aqueous medium. In particular, when polyacrylic acid (PAA) as a polymeric binder is introduced into aqueous anode slurry, the amine group in PD-SP and the hydroxyl group in PAA can react to form the crosslinking bonds. From the adhesion strength measurements by the surface and interfacial cutting analysis system (SAICAS) tool, we could find the increased adhesion properties. As a result, the cycle performance of Si anode was greatly improved to deliver about 1000 mAh/g after 1000 cycles even at 1.2 A/g. Acknowledges This work was supported by the Human Resource Training Program for Regional Innovation and Creativity through the Ministry of Education and National Research Foundation of Korea (NRF-2014H1C1A1066977) and the Energy Efficiency & Resources Core Technology Program of the Korea Institute of Energy Technology Evaluation and Planning(KETEP) granted financial resource from the Ministry of Trade, Industry & Energy, Republic of Korea (No. 20142010102980).