Improved Cycle Life Performance of the Horizon ® C 2 M Battery

Paper #:
  • 1999-01-2511

Published:
  • 1999-08-02
Citation:
Jay, B., Datta, A., Lushetsky, J., and Smith, D., "Improved Cycle Life Performance of the Horizon® C2M Battery," SAE Technical Paper 1999-01-2511, 1999, https://doi.org/10.4271/1999-01-2511.
Pages:
7
Abstract:
Single-module cycle life of the Horizon® valve-regulated lead-acid battery has been limited principally by the growth of the negative electrode edges. Left unchecked in the first-generation Horizon® design, this anode growth contacts the positive electrode in a contiguous cell, shorting the cells, and prematurely ending battery life. In the current Horizon® design, Electrosource has modified the module plenum with an intercellular insulator, which interdicts anode edge growth and moves the end-of-life mechanism to the cathode. This modification approximately doubles Horizon® cycle life to greater than 700 cycles (C/ 1 to 80% DOD) and improves robustness of the battery significantly. Test data for the improved design are presented.
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