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| Flexible battery ： ウィキペディア英語版 |
Flexible battery
Flexible batteries, both primary and secondary ones are batteries that are designed to be conformal and flexible, while the traditional batteries are rigid with certain shapes. The increasing interest in portable and flexible electronics has led to the development of flexible batteries which can be implemented in products such as smart cards, wearable electronics, novelty packaging as well as flexible displays and transdermal drug delivery patches.〔() 〕〔(【引用サイトリンク】title=Ultrasensitive flexible and wearable bionic sensors )〕 Hence efforts are underway to make different flexible power sources including primary and rechargeable batteries.
== Basic methods and designs ==
In general, a battery is made of one or several galvanic cells, where each cell consists of cathode, anode, separator, and in many cases current collectors. In flexible batteries all these components need to be flexible. These batteries can be fabricated into different shapes and sizes and by different methods. One approach is to use polymer binders to fabricate composite electrodes where conductive additives are added to enhance their conductivity. The electrode materials can be printed or coated onto flexible substrates. The cells are assembled into flexible packaging materials to maintain bendability. Others approaches include the filtering of electrode suspension through filters to form free-standing films, or use flexible matrix to hold electrode materials. There are also other designs like cable batteries.〔(【引用サイトリンク】title=LG Chem to mass produce cable batteries in the near future )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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