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公开(公告)号：US20230335705A1
公开(公告)日：2023-10-19
申请号：US18301081
申请日：2023-04-14
申请人： A123 Systems LLC
发明人： Lei Liu , Bryan Kim , Bitna Choi , Eunsung Lee , Anil Parmar , Kitae Kim , Yang Chen
IPC分类号： H01M4/04 , H01M4/1391 , H01M4/525 , H01M4/505 , C01G53/00
CPC分类号： H01M4/0471 , H01M4/1391 , H01M4/525 , H01M4/505 , C01G53/50 , C01P2002/50 , C01P2006/40 , C01P2004/84
摘要： Systems and methods for fabricating an electrode are disclosed. In one example, a fabrication process for the electrode includes increasing an electrochemical performance of a battery by adjusting a distribution of lithium in the electrode between a surface and interstitial sites of the electrode. The fabrication process includes mixing, calcinating, rinsing, and sintering electrode materials and the fabrication process is optimized to increase lithium in the interstitial sites and decrease lithium at the surface of the electrode.
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公开(公告)号：US12009507B2
公开(公告)日：2024-06-11
申请号：US17443805
申请日：2021-07-27
申请人： A123 Systems LLC
发明人： Lei Liu , Kitae Kim , Lixin Wang , Anil Parmar , Bryan Kim , Chloe Harrison , Andrew Millonig , Derek Johnson , Eunsung Lee , Taehwan Yu
CPC分类号： H01M4/366 , C01G53/50 , H01M4/049 , H01M4/505 , H01M4/525 , C01P2002/52 , C01P2004/80 , C01P2006/40 , H01M2004/028
摘要： Methods and systems are provided for salt-rinse surface doping of electrode materials for lithium-ion batteries. In one example, a method may include dissolving a dopant salt in a solvent to form a dopant salt rinse solution, rinsing an electrode active material with the dopant salt rinse solution to form a coated electrode active material, and heating the coated electrode active material to form a doped electrode active material. In some examples, a surface region of the doped electrode active material may include a uniform distribution of dopants from the dopant salt rinse solution. In this way, the electrode active material may be rinsed and doped via the dopant salt rinse solution in a single-stage process.
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公开(公告)号：US20240282936A1
公开(公告)日：2024-08-22
申请号：US18645218
申请日：2024-04-24
申请人： A123 Systems LLC
发明人： Lei Liu , Kitae Kim , Lixin Wang , Anil Parmar , Bryan Kim , Chloe Harrison , Andrew Millonig , Derek Johnson , Eunsung Lee , Taehwan Yu
CPC分类号： H01M4/366 , C01G53/50 , H01M4/049 , H01M4/505 , H01M4/525 , C01P2002/52 , C01P2004/80 , C01P2006/40 , H01M2004/028
摘要： Methods and systems are provided for salt-rinse surface doping of electrode materials for lithium-ion batteries. In one example, a method may include dissolving a dopant salt in a solvent to form a dopant salt rinse solution, rinsing an electrode active material with the dopant salt rinse solution to form a coated electrode active material, and heating the coated electrode active material to form a doped electrode active material. In some examples, a surface region of the doped electrode active material may include a uniform distribution of dopants from the dopant salt rinse solution. In this way, the electrode active material may be rinsed and doped via the dopant salt rinse solution in a single-stage process.
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公开(公告)号：US20220037651A1
公开(公告)日：2022-02-03
申请号：US17443805
申请日：2021-07-27
申请人： A123 Systems LLC
发明人： Lei Liu , Kitae Kim , Lixin Wang , Anil Parmar , Bryan Kim , Chloe Harrison , Andrew Millonig , Derek Johnson , Eunsung Lee , Taehwan Yu
摘要： Methods and systems are provided for salt-rinse surface doping of electrode materials for lithium-ion batteries. In one example, a method may include dissolving a dopant salt in a solvent to form a dopant salt rinse solution, rinsing an electrode active material with the dopant salt rinse solution to form a coated electrode active material, and heating the coated electrode active material to form a doped electrode active material. In some examples, a surface region of the doped electrode active material may include a uniform distribution of dopants from the dopant salt rinse solution. In this way, the electrode active material may be rinsed and doped via the dopant salt rinse solution in a single-stage process.
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