Zinc electrode material for secondary battery using Zn as negative electrode and its preparing process

A secondary battery, zinc electrode technology, applied in battery electrodes, electrode manufacturing, circuits, etc., can solve the problems of inability to comprehensively improve the performance of zinc electrodes, limit the practical application of secondary batteries, expensive zinc electrode costs, etc., to improve zinc deposition. performance, reducing corrosion current density, and improving performance
CN1396669AInactive Publication Date: 2003-02-12NANKAI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANKAI UNIV
Publication Date
2003-02-12
Estimated Expiration
Not applicable · inactive patent

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Abstract

A Zn electrode material used as the negative electrode of secondary battery has its chemical formula: Zn100-xMx, where M is one or more kinds of La, Ce, Pu, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yband Lu, and X=0.1-50. Its advantages are excellent electrochemical performance, high discharge capacity, long cyclic life, low cost and no pollution.
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Description

Technical field

[0001] The invention relates to an alkaline secondary battery, in particular to the preparation of a novel zinc electrode material for a secondary battery with zinc as the negative electrode. Background technique

[0002] With the development of social economy and the improvement of environmental awareness, people increasingly need a power source with high specific energy, high power, low price and no pollution in the new century, and zinc-nickel secondary batteries can just meet people's needs , thus zinc-nickel secondary battery has become a research and development hotspot again.

[0003] Compared with nickel-metal hydride, nickel-cadmium, and lead-acid batteries, zinc-nickel batteries have outstanding advantages: (1) high specific energy (theoretical value 326Wh / kg, actual value ≥ 75Wh / kg); (2) high specific power (≥ 200W / kg); (3) Wide working temperature range (-20℃~60℃); (4) High working voltage (1.65V); (5) High charging and discharging efficiency (≥8...

Claims

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