2022 Exhibitions
Ascend, Samsung SDI reach settlement on lithium-ion battery additives patent proceedings
Ascend Performance Materials and Samsung SDI have reached an agreement to end their ongoing global patent invalidation proceedings and enter into a patent license agreement regarding the sale and use of lithium-ion battery additives. Such additives include 1,3,6-hexanetricarbonitrile (HTCN), which is manufactured and sold by Ascend as Trinohex Ultra.
Ascend had challenged a lithium-ion battery technology patent held by Samsung SDI in 2021.
As part of the agreement, Samsung SDI retains its US patent no. 9,819,057, continues to hold patents in any remaining jurisdictions and grants Ascend a non-exclusive license under these patents. The specific terms and conditions of the agreement remain confidential.
Ascend’s Trinohex Ultra is a globally available, non-hazardous electrolyte additive that improves battery life and overall performance, especially in extreme conditions. Independent testing has shown Trinohex Ultra to be effective in reducing harmful gas generation by over 25% and protecting both current and next-generation lithium-ion battery cathodes from degradation.
“We have tested batteries containing Trinohex Ultra across different cathodes, voltages and electrolyte chemistries,” said David McNeece, Ascend’s business manager for battery chemistry. “Across the board, Trinohex Ultra outperforms competing additives – displaying superior performance in gas generation and capacity retention, which leads to longer-lasting and higher performing batteries in all conditions.”
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