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104 条记录 (耗时 0.019 秒)

    SECONDARY BATTERY, DEVICE, ARTIFICIAL GRAPHITE, AND PREPARATION METHOD THEREFOR
    1.
    发明公开
    SECONDARY BATTERY, DEVICE, ARTIFICIAL GRAPHITE, AND PREPARATION METHOD THEREFOR 审中-公开

    公开(公告)号：EP4456176A1

    公开(公告)日：2024-10-30

    申请号：EP24171005.2

    申请日：2019-12-03

    申请人： Contemporary Amperex Technology (Hong Kong) Limited

    发明人： SHEN, Rui ,  HE, Libing ,  LI, Yuanyuan

    IPC分类号： H01M4/133 ,  H01M4/587 ,  H01M10/0525 ,  C01B32/205 ,  H01M4/02

    摘要： The present application discloses a secondary battery, an apparatus including the secondary battery, artificial graphite and a preparation method thereof. The secondary battery includes a negative electrode plate, the negative electrode plate including a negative active material, wherein the negative active material comprises an artificial graphite having a volume average particle size D v 50 of 12µm to 22µm, and the artificial graphite satisfies: 12≤D v 50×SSA≤25, in which SSA is the specific surface area of the artificial graphite, in m 2 /g; the negative electrode plate has a compaction density of 1.6g/cm 3 to 1.75g/cm 3 , and the negative electrode plate has an OI value of ≤ 15, wherein the OI value of the negative electrode plate represents a ratio C 004 /C 110 , in which C 004 is the peak area of the diffraction peak of 004 crystal plane of the artificial graphite in the negative electrode plate and C 110 is the peak area of the diffraction peak of 110 crystal plane of the artificial graphite in the negative electrode plate. The secondary battery provided by the present application can obtain lower cyclic expansion.

    GRAPHITIZATION FURNACE COMPRISING CHANNEL COMPRISING PLATE-SHAPED WALL SEGMENTS
    2.
    发明公开
    GRAPHITIZATION FURNACE COMPRISING CHANNEL COMPRISING PLATE-SHAPED WALL SEGMENTS 审中-公开

    公开(公告)号：EP4455085A1

    公开(公告)日：2024-10-30

    申请号：EP23170108.7

    申请日：2023-04-26

    申请人： SGL Carbon SE

    发明人： SCHREINER, Christian ,  SCHREINER, Tino ,  LOSHER, Richard

    IPC分类号： C01B32/05 ,  C01B32/205 ,  C04B11/028 ,  C10B3/00 ,  F27B1/10

    摘要： The present disclosure relates to a graphitization furnace 100 configured to graphitize particulate carbonaceous material comprising a raw material inlet 160 and a product outlet 170, and a channel 110 connecting the raw material inlet 160 and the product outlet 170. The channel 110 comprises an upstream section 120 closer to the raw material inlet 160 and a downstream section 130 closer to the product outlet 170. The upstream section 120 has a first cross-sectional area closer to the raw material inlet 160 and a second cross-sectional area closer to the product outlet 170, wherein the second cross-sectional area is larger than the first cross-sectional area. The upstream section 120 and/or the downstream section 130 comprises a plurality of plate-shaped wall segments 140 and the upstream section 120 and/or the downstream section 130 has a polygonal cross-sectional shape.

    GRAPHITIZATION FURNACE COMPRISING CHANNEL COMPRISING PLATE-SHAPED WALL SEGMENTS
    3.
    发明公开
    GRAPHITIZATION FURNACE COMPRISING CHANNEL COMPRISING PLATE-SHAPED WALL SEGMENTS 审中-公开

    公开(公告)号：EP4455083A1

    公开(公告)日：2024-10-30

    申请号：EP23170106.1

    申请日：2023-04-26

    申请人： SGL Carbon SE

    发明人： SCHREINER, Christian ,  SCHREINER, Tino ,  LOSHER, Richard

    IPC分类号： C01B32/05 ,  C01B32/205 ,  C04B11/028 ,  C10B3/00 ,  F27B1/10

    摘要： The present disclosure relates to a graphitization furnace 100 configured to graphitize particulate carbonaceous material. The graphitization furnace 100 comprises a raw material inlet 160 and a product outlet 170, and a channel 100 connecting the raw material inlet 160 and the product outlet 170. The channel 100 comprises an upstream section 120 closer to the raw material inlet 160 and a downstream section 130 closer to the product outlet 170. Both the upstream section 120 and the downstream section 130 comprise a plurality of discrete plate-shaped wall segments 140, 150 and both the upstream section 120 and the downstream section 130 have a polygonal cross-sectional shape.