Batteries In Japan Research Articles

Progress in materials applications for new-generation secondary batteries

The status of research and development on advanced batteries in Japan is reviewed. The three types of batteries attracting the most interest are: (1) nickel-metal hydride batteries, (2) secondary lithium batteries, and (3) secondary batteries using solid electrolytes. The advances made in the development of these batteries are described from the viewpoint of the application of new materials. The materials used for batteries come from multidisciplinary research. Hydrogen-storage alloys and conducting polymers are examples of materials with interdisciplinary origins.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>

Recent new designs and new technologies of lead/acid batteries in Japan

Recent new designs and new technologies of lead/acid batteries in Japan

Development of lithium rechargeable batteries in Japan

Lithium primary batteries have been developed in Japan since 1973 as power sources for small consumer devices. There has also been progress, following research and development of lithium rechargeable batteries, towards the replacement of sealed-type nickel—cadmium batteries. Recent work in Japan on the development of lithium rechargeable batteries is reviewed briefly.

Carbon Materials in Fuel Cells and Advanced Batteries

Carbon is essential material in phosphoric acid fuel cells for high-efficiency co-generation and advanced batteries for load levelling.In this review article, the principles and features of these cells and batteries are described first in relation with their advantages and applicabilities in electric utilities.Secondly, R, D & D programs of these cells and batteries in Japan and foreign countries are explained.Finally, the carbon materials used in the fuel cells and the advanced batteries, such as sodium sulfur batteries, zinc halogen batteries and redox flow cells, are described, especially their role, characteristics and requirements.

Future outlook for lead/acid batteries in Japan

Pollution problems, coupled with the oil crisis which erupted in the 197Os, have highlighted a need for the development of technologies for creating, saving, and storing energies throughout the world. Various efforts have been, and are being, made to meet this need. Among these efforts is the worldwide work devoted to the development of advanced batteries primarily for use in electric vehicles and utility load levelling. Despite this intense work, it will still be years before some of these advanced batteries become commercially available. Thus, lead/acid batteries, which have been ranked at the top in every yearly battery production since their invention by Gaston Plant6 in 1860, are likely to maintain this position for years to come. This is primarily due to the fact that the lead/acid battery (a) is a reliable power source which supplies power of good quality, (b) is normally operated at room temperature ensuring easy handling and safe operation, and (c) is chiefly made from lead which can easily be recycled for repetitive use. This article reviews the present status of lead/acid batteries in Japan, and presents a future outlook for them.

Primary Batteries in Japan

Primary Batteries in Japan