JP6866201B2 - 炭素系電池電極材料の制御可能な合成のための方法 - Google Patents
炭素系電池電極材料の制御可能な合成のための方法 Download PDFInfo
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- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
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Description
本出願は、2016年3月25日に出願された“Method For Controllable Synthesis Of Carbon Based Battery Electrode Material”という題名の米国仮特許出願第62/313,554号明細書の優先権を主張し、その全体が本明細書で参照によって明示的に組み込まれる。
Claims (23)
- 少なくとも第2の黒鉛粒子に結合される少なくとも第1の黒鉛粒子を含む炭素系電極材料であって、前記第1の黒鉛粒子及び前記第2の黒鉛粒子が五角形炭素環を含む材料によって結合され、
リチウムイオンと隙間で反応することが可能な複数の細孔を含む、炭素系電極材料。 - 前記第1の黒鉛粒子又は前記第2の黒鉛粒子の内の少なくとも一つが、1μmから45μmの平均粒径を有する、請求項1に記載の炭素系電極材料。
- 前記第1の黒鉛粒子又は前記第2の黒鉛粒子の内の少なくとも一つが、0.1m2/gから30m2/gの比表面積を有する、請求項1に記載の炭素系電極材料。
- 五角形炭素環を含む前記材料が、フラーレン及びフラーレンの一部から成る群から選択される、請求項1に記載の炭素系電極材料。
- 前記細孔が、フラーレン半球体によって架橋された複数の黒鉛粒子によって画定され、前記炭素系電極材料が、硬質炭素材料のものと同じ細孔径分布を有する、請求項1〜4のいずれか1項に記載の炭素系電極材料。
- 前記複数の細孔が、0.1から40nmの平均直径を有する、請求項1〜4のいずれか1項に記載の炭素系電極材料。
- 前記複数の細孔が、1から10nmの平均直径を有する、請求項6に記載の炭素系電極材料。
- 少なくとも第2の黒鉛粒子に結合される少なくとも第1の黒鉛粒子を含む炭素系電極材料であって、前記第1の黒鉛粒子及び前記第2の黒鉛粒子が、フラーレンの半球体によって結合される、炭素系電極材料。
- 前記第1の黒鉛粒子又は前記第2の黒鉛粒子の内の少なくとも一つが、1μmから45μmの平均粒径を有する、請求項8に記載の炭素系電極材料。
- 前記第1の黒鉛粒子又は前記第2の黒鉛粒子の内の少なくとも一つが、0.1m2/gから30m2/gの比表面積を有する、請求項8に記載の炭素系電極材料。
- 前記フラーレンが、C60フラーレン、C70フラーレン、C74フラーレン、C78フラーレン、C80フラーレン、C82フラーレン、C84フラーレン、C86フラーレン、C88フラーレン、C90フラーレン、C92フラーレン、C94フラーレン、C98フラーレン、C100−250フラーレン、C250+フラーレン、それらの二量体及びそれらの三量体の内の少なくとも一つを含む、請求項8に記載の炭素系電極材料。
- 前記フラーレンが、C60フラーレン及びC70フラーレンの混合物を含む、請求項8に記載の炭素系電極材料。
- リチウムイオンと隙間で反応することが可能な複数の細孔を含む、請求項8に記載の炭素系電極材料。
- 前記複数の細孔が、0.1から40nmの平均直径を有する、請求項13に記載の炭素系電極材料。
- 前記複数の細孔が、1から10nmの平均直径を有する、請求項14に記載の炭素系電極材料。
- 黒鉛粒子及びフラーレン半球体の混合物を処理して、フラーレンの前記半球体によって架橋された黒鉛粒子によって画定される複数の細孔を含む複合材料を形成する段階を含む、炭素系材料を合成する方法。
- 前記黒鉛粒子、及び前記フラーレンの半球体が、不活性ガス流れ下で混合される、請求項16に記載の方法。
- 前記不活性ガスがアルゴンである、請求項17に記載の方法。
- 前記処理する段階が、1500℃から2000℃の温度へ前記混合物を加熱する段階を含む、請求項16に記載の方法。
- 前記処理する段階が、メタン及びプロパンから成る群から選択される炭化水素ガスの存在下で前記混合物を加熱する段階をさらに含む、請求項19に記載の方法。
- 少なくとも第1の黒鉛粒子及び第2の黒鉛粒子の混合物に少なくとも一つの五角形環前駆体を提供する段階と;
前記混合物を処理して、少なくとも一つの五角形環によって前記第1の黒鉛粒子及び前記第2の黒鉛粒子を架橋する段階と、を含む、複合材料を作製する方法。 - 前記五角形環前駆体が、炭素系五角形環前駆体である、請求項21に記載の方法。
- 前記混合物を処理する段階が、少なくとも一つの炭化水素ガスの存在下で前記混合物を加熱する段階を含む、請求項22に記載の方法。
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US201662313554P | 2016-03-25 | 2016-03-25 | |
US62/313,554 | 2016-03-25 | ||
US15/459,791 US10446848B2 (en) | 2016-03-25 | 2017-03-15 | Method for controllable synthesis of carbon based battery electrode material |
US15/459,791 | 2017-03-15 |
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US10446848B2 (en) * | 2016-03-25 | 2019-10-15 | Honda Motor Co., Ltd. | Method for controllable synthesis of carbon based battery electrode material |
DE102022110199A1 (de) | 2022-04-27 | 2023-11-02 | Bundesrepublik Deutschland, vertreten durch den Bundesminister für Wirtschaft und Energie, dieser vertreten durch den Präsidenten der Bundesanstalt für Materialforschung und –prüfung (BAM) | Anodenmaterial für eine Alkali Ionen Batterie |
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JP2004192808A (ja) * | 2001-01-18 | 2004-07-08 | Sony Corp | プロトン伝導体及びその製造方法、並びに電気化学デバイス |
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JP2014169193A (ja) * | 2013-03-01 | 2014-09-18 | Nec Corp | ナノカーボンとグラフェンまたはグラファイトが複合した炭素材料及びその製造方法 |
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JP6747294B2 (ja) * | 2014-09-30 | 2020-08-26 | 日本電気株式会社 | リチウムイオン二次電池用負極活物質材料及びその製造方法、並びに負極及びリチウムイオン二次電池 |
US10446848B2 (en) * | 2016-03-25 | 2019-10-15 | Honda Motor Co., Ltd. | Method for controllable synthesis of carbon based battery electrode material |
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