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首页> 美国政府科技报告 >Proof-of-concept zinc/bromine electric vehicle battery.
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Proof-of-concept zinc/bromine electric vehicle battery.

机译：概念验证锌/溴电动车电池。

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At the inception of the contract, Johnson Controls acquired and tested the zinc/bromine battery design developed by Exxon Research and Engineering Corporation (the Z-design) and, with Exxon, determined the key problems in this design: expansion and warping of electrodes, leaking of electrolyte from the battery stack, and excessive self-discharge brought about by transfer of bromine across the separator. The problems of electrode expansion and high self-discharge were mitigated by developing improved electrode and separator materials. Starting in the second year of the contract, JCI developed a new V-design battery stack which used different hardware and tooling to address the problem of stack leakage. The V-design uses thermal welding to achieve a hermetically sealed construction. The flow distribution is improved, and the massive endblocks of the original system have been replaced by thinner, lighter endblocks which are stiffened by means of rigid aluminum honeycomb inserts. Highlights of performance characteristics of batteries built and tested under the contract given. The battery was developed for the ETX-II, a Ford Aerostar minivan. 44 figs., 21 tabs.

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