发明名称 |
SECONDARY BATTERY |
摘要 |
There is disclosed a secondary battery wherein either one of positive electrode and negative electrode elements is made of an active material the color of which is changed according to a voltage between these electrodes and a window is formed for observing the color change of the electrode. Further, an electrochromic display device is disclosed in which a working electrode is made of a pyrolytic carbonaceous material which is obtained by thermal decomposition of a hydrocarbon compound at a low temperature of about 1,000 DEG C. |
申请公布号 |
EP0311410(B1) |
申请公布日期 |
1993.02.10 |
申请号 |
EP19880309338 |
申请日期 |
1988.10.06 |
申请人 |
SHARP KABUSHIKI KAISHA |
发明人 |
YOSHIMOTO, YOSHIKAZU;WADA, HIROSHI D-32-504, 1-1994-3;SUZUKI, TOMONARI;YOSHIDA, MASARU;NAKAJIMA, SHIGEO |
分类号 |
G01R31/36;G02F1/153;H01M4/58;H01M4/96;H01M6/50;H01M10/48 |
主分类号 |
G01R31/36 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|