发明名称 |
Rechargeable manganese dioxide cathode |
摘要 |
A method of enforcing a regular manganese dioxide cathode to become gradually and substantially rechargeable is described, where the cathode capacity is increased towards the theoretical capacity of the cathode. The method involves mixing 20-51 wt % MnO2, 5-25 wt % metallic bismuth and 30-70 wt % graphite powder to form a homogenous mixture, subjecting the mixture to a pressing force to form an electrode and subjecting the electrode to successive discharge/charge cycles at a rate where the cathode capacity becomes greater than 75% of the theoretical capacity after 4-7 cycles. The method provides for a simple and inexpensive way of forming a rechargeable manganese dioxide cathode without complex chemical synthesis.
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申请公布号 |
US5660953(A) |
申请公布日期 |
1997.08.26 |
申请号 |
US19940358746 |
申请日期 |
1994.12.19 |
申请人 |
THE UNIVERSITY OF OTTAWA |
发明人 |
BAI, LIJUN;ADAMS, WILLIAM A.;CONWAY, BRIAN;QU, DE YANG |
分类号 |
H01M4/04;H01M4/13;H01M4/133;H01M4/134;H01M4/139;H01M4/30;H01M4/50;(IPC1-7):H01M4/30 |
主分类号 |
H01M4/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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