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1. 发明授权

US09905856B1 Flexible and shape-conformal rope-shape alkali metal-sulfur batteries 有权
公开(公告)号：US09905856B1
公开(公告)日：2018-02-27
申请号：US15392213
申请日：2016-12-28
申请人： Aruna Zhamu , Hui He , Baofei Pan , Yu-Sheng Su , Bor Z Jang
发明人： Aruna Zhamu , Hui He , Baofei Pan , Yu-Sheng Su , Bor Z Jang
IPC分类号： H01M2/10 , H01M4/78 , H01M10/0525 , H01M10/054 , H01M10/0568 , H01M10/0569 , H01M10/0587 , H01M4/02
CPC分类号： H01M4/78 , H01M2/1055 , H01M2/1083 , H01M10/0525 , H01M10/054 , H01M10/0568 , H01M10/0569 , H01M10/0587 , H01M2004/025 , H01M2300/0025
摘要： Provided is a rope-shape alkali metal-sulfur battery having (a) a first electrode comprising a conductive porous rod and a mixture of a first electrode active material and a first electrolyte residing in pores of the first porous rod; (b) a porous separator wrapping around the first electrode to form a separator-protected first electrode; (c) a second electrode comprising a conductive porous rod having a mixture of a second electrode active material and a second electrolyte residing in pores of the second porous rod; wherein the separator-protected first electrode and the second electrode are combined to form a braid or a yarn; and (d) a protective sheath encasing the braid or yarn; wherein either the first or the second electrode is a cathode containing sulfur or a sulfur compound as a cathode active material and the battery has a rope shape having a length-to-diameter aspect ratio no less than 5.

2. 发明授权

US09564630B2 Anode active material-coated graphene sheets for lithium batteries and process for producing same 有权
标题翻译：用于锂电池的阳极活性材料涂覆石墨烯片及其制造方法
公开(公告)号：US09564630B2
公开(公告)日：2017-02-07
申请号：US13987566
申请日：2013-08-08
申请人： Yanbo Wang , Bor Z Jang , Hui He , Aruna Zhamu
发明人： Yanbo Wang , Bor Z Jang , Hui He , Aruna Zhamu
IPC分类号： H01M4/26 , H01M4/36 , H01M4/04 , H01M4/38 , H01M4/42 , H01M4/44 , H01M4/46 , H01M4/133 , H01M4/134 , H01M4/1393 , H01M4/1395 , H01M4/587 , H01M10/0525 , H01M4/62 , H01M4/485 , H01M4/02
CPC分类号： H01M4/366 , H01M4/0423 , H01M4/0426 , H01M4/0428 , H01M4/133 , H01M4/134 , H01M4/1393 , H01M4/1395 , H01M4/386 , H01M4/387 , H01M4/42 , H01M4/44 , H01M4/463 , H01M4/485 , H01M4/587 , H01M4/625 , H01M10/0525 , H01M2004/027 , Y02E60/122 , Y02P70/54 , Y02T10/7011
摘要： The present invention provides a process for producing a graphene-enhanced anode active material for use in a lithium battery. The process comprises (a) providing a continuous film of a graphene material into a deposition zone; (b) introducing vapor or atoms of a precursor anode active material into the deposition zone, allowing the vapor or atoms to deposit onto a surface of the graphene material film to form a sheet of an anode active material-coated graphene material; and (c) mechanically breaking this sheet into multiple pieces of anode active material-coated graphene; wherein the graphene material is in an amount of from 0.1% to 99.5% by weight and the anode active material is in an amount of at least 0.5% by weight, all based on the total weight of the graphene material and the anode active material combined.
摘要翻译：本发明提供一种用于生产用于锂电池的石墨烯增强的阳极活性材料的方法。该方法包括（a）将石墨烯材料的连续膜提供到沉积区中; （b）将前体负极活性物质的蒸汽或原子引入沉积区，允许蒸气或原子沉积在石墨烯材料膜的表面上以形成负极活性材料涂覆石墨烯材料的片材; 和（c）将该片材机械地破碎成多片阳极活性材料涂覆的石墨烯; 其中所述石墨烯材料的量为0.1重量％至99.5重量％，并且所述负极活性材料的量为至少0.5重量％，全部基于所述石墨烯材料和所述负极活性材料的总重量。

3. 发明申请

US20140363746A1 Lithium secondary batteries containing non-flammable quasi-solid electrolyte 有权
标题翻译：锂二次电池含有不易燃的准固体电解质
公开(公告)号：US20140363746A1
公开(公告)日：2014-12-11
申请号：US13986814
申请日：2013-06-10
申请人： Hui He , Bor Z. Jang , Yanbo Wang , Aruna Zhamu
发明人： Hui He , Bor Z. Jang , Yanbo Wang , Aruna Zhamu
IPC分类号： H01M10/056 , H01M10/052
CPC分类号： H01M10/052 , H01M4/136 , H01M4/5825 , H01M10/0525 , H01M10/0568 , H01M10/0569 , H01M12/08 , H01M2004/028 , H01M2300/0028 , Y02E60/122 , Y02E60/128 , Y02T10/7011
摘要： A rechargeable lithium cell comprising a cathode having a cathode active material, an anode having an anode active material, a porous separator electronically separating the anode and the cathode, a non-flammable quasi-solid electrolyte in contact with the cathode and the anode, wherein the electrolyte contains a lithium salt dissolved in a first organic liquid solvent with a concentration sufficiently high so that the electrolyte exhibits a vapor pressure less than 0.01 kPa when measured at 20° C., a flash point at least 20 degrees Celsius higher than the flash point of the first organic liquid solvent alone, a flash point higher than 150° C., or no flash point. This battery cell is non-flammable and safe, has a long cycle life, high capacity, and high energy density.
摘要翻译：一种可再充电锂电池，包括具有阴极活性材料的阴极，具有阳极活性材料的阳极，电子分离阳极和阴极的多孔隔板，与阴极和阳极接触的不可燃的准固体电解质，其中电解质含有溶解在浓度足够高的第一有机液体溶剂中的锂盐，使得当在20℃下测量时，电解质的蒸汽压力低于0.01kPa，闪点高于闪光灯的至少20摄氏度第一有机液体溶剂点，闪点高于150℃，或无闪点。该电池不易燃，安全，循环寿命长，容量大，能量密度高。

4. 发明授权

US09601803B2 Non-flammable quasi-solid electrolyte-separator layer product for lithium battery applications 有权
公开(公告)号：US09601803B2
公开(公告)日：2017-03-21
申请号：US13987394
申请日：2013-07-22
申请人： Hui He , Bor Z Jang , Yanbo Wang , Aruna Zhamu
发明人： Hui He , Bor Z Jang , Yanbo Wang , Aruna Zhamu
IPC分类号： H01M2/16 , H01M10/056 , H01M10/052 , H01M10/0568
CPC分类号： H01M10/056 , H01M2/1606 , H01M10/052 , H01M10/0568 , H01M2300/0045 , H01M2300/0094 , Y02P70/54 , Y02T10/7011
摘要： A separator-electrolyte layer product for use in a lithium battery, comprising: (a) a porous thin-film separator selected from a porous polymer film, a porous mat, fabric, or paper made of polymer or glass fibers, or a combination thereof, wherein the separator has a thickness less than 500 μm; and (b) a non-flammable quasi-solid electrolyte containing a lithium salt dissolved in a liquid solvent up to a concentration no less than 3 M; wherein the porous thin-film separator is coated with the quasi-solid electrolyte so that the layer product exhibits a vapor pressure less than 0.01 kPa when measured at 20° C., a vapor pressure less than 60% of the vapor pressure of the liquid solvent alone, a flash point at least 20 degrees Celsius higher than a flash point of the first liquid solvent alone, a flash point higher than 150° C., or no detectable flash point.

5. 发明申请

US20140315100A1 Rechargeable lithium-sulfur battery having a high capacity and long cycle life 有权
标题翻译：具有高容量，循环寿命长的可充电锂硫电池
公开(公告)号：US20140315100A1
公开(公告)日：2014-10-23
申请号：US13986319
申请日：2013-04-22
申请人： Yanbo Wang , Bor Z. Jang , Hui He , Aruna Zhamu , Yi-jun Lin
发明人： Yanbo Wang , Bor Z. Jang , Hui He , Aruna Zhamu , Yi-jun Lin
IPC分类号： H01M4/36
CPC分类号： H01M4/366 , H01M4/136 , H01M4/1397 , H01M4/621 , H01M4/625 , H01M10/3909 , H01M2004/021 , Y10T29/49115
摘要： A rechargeable lithium-sulfur cell comprising an anode, a separator and/or electrolyte, a sulfur cathode, an optional anode current collector, and an optional cathode current collector, wherein the cathode comprises (a) exfoliated graphite worms that are interconnected to form a porous, conductive graphite flake network comprising pores having a size smaller than 100 nm; and (b) nano-scaled powder or coating of sulfur, sulfur compound, or lithium polysulfide disposed in the pores or coated on graphite flake surfaces wherein the powder or coating has a dimension less than 100 nm. The exfoliated graphite worm amount is in the range of 1% to 90% by weight and the amount of powder or coating is in the range of 99% to 10% by weight based on the total weight of exfoliated graphite worms and sulfur (sulfur compound or lithium polysulfide) combined. The cell exhibits an exceptionally high specific energy and a long cycle life.
摘要翻译：包括阳极，隔板和/或电解质，硫阴极，任选的阳极集电器和任选的阴极集电器的可再充电锂 - 硫电池，其中所述阴极包括（a）相互连接形成的剥离的石墨蠕虫多孔导电石墨薄片网络，其包含尺寸小于100nm的孔; 和（b）设置在孔中的纳米级粉末或硫，硫化合物或多硫化锂的涂层，或涂覆在石墨片表面上，其中粉末或涂层具有小于100nm的尺寸。剥离石墨蠕虫量在1重量％至90重量％的范围内，粉末或涂层的量基于脱落的石墨蠕虫和硫（硫化合物）的总重量在99重量％至10重量％的范围内或多硫化锂）组合。电池表现出特别高的比能量和较长的循环寿命。

6. 发明申请

US20160240840A1 Alkali metal-sulfur secondary battery containing a pre-sulfurized cathode and production process 审中-公开
标题翻译：含有预硫化阴极的碱金属硫二次电池和生产工艺
公开(公告)号：US20160240840A1
公开(公告)日：2016-08-18
申请号：US14544760
申请日：2015-02-18
申请人： Hui He , Aruna Zhamu , Bor Z. Jang
发明人： Hui He , Aruna Zhamu , Bor Z. Jang
IPC分类号： H01M4/36 , H01M4/38 , H01M10/0565 , H01M10/0567 , H01M10/054 , H01M4/46 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M4/136 , H01M10/0569
CPC分类号： H01M4/366 , H01M4/13 , H01M4/136 , H01M4/381 , H01M4/382 , H01M4/387 , H01M4/463 , H01M4/5815 , H01M10/052 , H01M10/0525 , H01M10/054 , H01M10/0565 , H01M10/0567 , H01M10/0568 , H01M10/0569 , H01M2004/027 , H01M2004/028 , H01M2300/0025 , H01M2300/0034 , H01M2300/0082
摘要： A method of producing a pre-sulfurized active cathode layer for a rechargeable alkali metal-sulfur cell; the method comprising: (a) Preparing an integral layer of meso-porous structure of a carbon, graphite, metal, or conductive polymer having a specific surface area greater than 100 m2/g; (b) Preparing an electrolyte comprising a solvent and a sulfur source; (c) Preparing an anode; and (d) Bringing the integral layer and the anode in ionic contact with the electrolyte and imposing an electric current between the anode and the integral layer (serving as a cathode) to electrochemically deposit nano-scaled sulfur particles or coating on the graphene surfaces. The sulfur particles or coating have a thickness or diameter smaller than 20 nm (preferably 90% or even >95%).
摘要翻译：一种制备用于可再充电碱金属 - 硫电池的预硫化活性阴极层的方法; 该方法包括：（a）制备比表面积大于100m 2 / g的碳，石墨，金属或导电聚合物的中孔多孔结构的整体层; （b）制备包含溶剂和硫源的电解质; （c）制备阳极; 和（d）使整体层和阳极与电解质离子接触并在阳极和整体层（用作阴极）之间施加电流，以电化学沉积在石墨烯表面上的纳米级硫颗粒或涂层。硫颗粒或涂层具有小于20nm（优选<10nm，更优选<5nm或甚至<3nm）的厚度或直径，并且占据至少70％（优选> 90％或甚至> 95）的重量分数％）。

7. 发明授权

US09203084B2 Cathode active material-coated discrete graphene sheets for lithium batteries and process for producing same 有权
标题翻译：用于锂电池的阴极活性材料涂层离散石墨烯片及其制造方法
公开(公告)号：US09203084B2
公开(公告)日：2015-12-01
申请号：US13987567
申请日：2013-08-08
申请人： Yanbo Wang , Bor Z Jang , Hui He , Aruna Zhamu
发明人： Yanbo Wang , Bor Z Jang , Hui He , Aruna Zhamu
IPC分类号： H01M4/36 , H01M4/04 , H01M4/02 , H01M10/056
CPC分类号： H01M4/366 , H01M4/04 , H01M4/0421 , H01M4/13 , H01M4/139 , H01M4/625 , H01M10/056 , H01M2004/028 , Y10T156/1075
摘要： Provided is a cathode (positive electrode) of a lithium battery and a process for producing this cathode. The electrode comprises a cathode active material-coated graphene sheet and the graphene sheet has two opposed parallel surfaces, wherein at least 50% area (preferably greater than 80%) of one of the two surfaces is coated with a cathode active material coating. The graphene material is in an amount of from 0.1% to 99.5% by weight and the cathode active material is in an amount of at least 0.5% by weight (preferably greater than 80% and more preferably greater than 90%), all based on the total weight of the graphene material and the cathode active material combined. The cathode active material is preferably an inorganic material, an organic or polymeric material, a metal oxide/phosphate/sulfide, or a combination thereof. Also provided is a lithium battery, including a lithium-ion, lithium-metal, or lithium-sulfur battery.
摘要翻译：提供锂电池的阴极（正极）和制造该阴极的工序。电极包括阴极活性材料涂覆的石墨烯片，并且石墨烯片具有两个相对的平行表面，其中两个表面中的一个表面的至少50％面积（优选大于80％）涂覆有阴极活性材料涂层。石墨烯材料的量为0.1重量％至99.5重量％，正极活性物质的量为至少0.5重量％（优选大于80重量％，更优选大于90重量％），均基于石墨烯材料和阴极活性材料的总重量相结合。阴极活性材料优选为无机材料，有机或聚合材料，金属氧化物/磷酸盐/硫化物或其组合。还提供了包括锂离子，锂金属或锂硫电池的锂电池。

8. 发明授权

US09190696B2 Lithium secondary batteries containing lithium salt-ionic liquid solvent electrolyte 有权
标题翻译：锂二次电池含锂离子液体溶剂电解质
公开(公告)号：US09190696B2
公开(公告)日：2015-11-17
申请号：US13986576
申请日：2013-05-16
申请人： Hui He , Bor Z Jang , Yanbo Wang , Aruna Zhamu
发明人： Hui He , Bor Z Jang , Yanbo Wang , Aruna Zhamu
IPC分类号： H01M4/13 , H01M10/056 , H01M12/08 , H01M10/052 , H01M4/58 , H01M10/42 , H01M4/485 , H01M10/0567 , H01M10/0568 , H01M10/0569 , H01M4/02
CPC分类号： H01M10/056 , H01M4/485 , H01M4/581 , H01M4/5815 , H01M10/052 , H01M10/0567 , H01M10/0568 , H01M10/0569 , H01M10/4235 , H01M12/08 , H01M2004/021 , Y02E60/122 , Y02E60/128 , Y02T10/7011
摘要： A rechargeable lithium metal or lithium-ion cell comprising a cathode having a cathode active material and/or a conductive supporting structure, an anode having an anode active material and/or a conductive supporting nano-structure, a porous separator electronically separating the anode and the cathode, a highly concentrated electrolyte in contact with the cathode active material and the anode active material, wherein the electrolyte contains a lithium salt dissolved in an ionic liquid solvent with a concentration greater than 3 M. The cell exhibits an exceptionally high specific energy, a relatively high power density, a long cycle life, and high safety with no flammability.
摘要翻译：一种可再充电的锂金属或锂离子电池，包括具有阴极活性材料和/或导电支撑结构的阴极，具有负极活性材料和/或导电支撑纳米结构的阳极，阴极，与阴极活性材料和阳极活性材料接触的高浓度电解质，其中电解质含有溶解在浓度大于3M的离子液体溶剂中的锂盐。电池表现出特别高的比能，功率密度相对较高，循环寿命长，安全性高，无易燃性。

9. 发明申请

US20160294000A1 Active cathode layer for metal-sulfur secondary battery 有权
标题翻译：金属硫二次电池活性阴极层
公开(公告)号：US20160294000A1
公开(公告)日：2016-10-06
申请号：US14545128
申请日：2015-03-30
申请人： Hui He , Aruna Zhamu , Bor Z. Jang
发明人： Hui He , Aruna Zhamu , Bor Z. Jang
IPC分类号： H01M10/0525 , H01M4/485 , H01M2/16 , H01M4/62 , H01M10/0566 , H01M10/054 , H01M4/38 , H01M4/58
CPC分类号： H01M10/0525 , H01M4/136 , H01M4/5815 , H01M4/621 , H01M4/624 , H01M4/66 , H01M4/808 , H01M10/054 , H01M2004/028 , H01M2220/20 , Y02E60/122 , Y02T10/7011
摘要： A preloaded cathode layer, comprising: (A) An integral porous structure having massive surfaces greater than 100 m2/g or pores with a size from 1.0 nm to 100 nm, wherein multiple conductive particles, platelets or filaments, without a conductive filler, form a 3-D conductive network; and (B) a metal polysulfide preloaded in the pores or deposited on the massive surfaces, selected from: (a) an MxSy, (x=1-3 and y=1-10) wherein M is a metal element selected from a non-lithium alkali metal, an alkaline metal selected from Mg or Ca, a transition metal, a metal from groups 13 to 17, or a combination thereof, or (b) Li2S6, Li2S7, Li2S8, Li2S9, or Li2S10, wherein the metal polysulfide contains a thin coating or small particles with a thickness or diameter less than 20 nm and occupies a weight fraction of from 1% to 99%.
摘要翻译：一种预加载的阴极层，包括：（A）具有大于100m 2 / g的块状表面的整体多孔结构或尺寸为1.0nm至100nm的孔，其中不带导电填料的多个导电颗粒，片状或细丝形成三维导电网络; 预先装载在孔中或沉积在块状表面上的金属多硫化物，其选自：（a）MxSy，（x = 1-3和y = 1-10）其中M是选自非金属的金属元素，锂碱金属，选自Mg或Ca的碱金属，过渡金属，第13至17族的金属或其组合，或（b）Li 2 S 6，Li 2 S 7，Li 2 S 8，Li 2 S 9或Li 2 S 10，其中金属多硫化物含有厚度或直径小于20nm的薄涂层或小颗粒，占重量分数为1％至99％。

10. 发明申请

US20150064575A1 Lithium-Selenium secondary batteries having non-flammable electrolyte 有权
标题翻译：具有不可燃电解质的锂 - 硒二次电池
公开(公告)号：US20150064575A1
公开(公告)日：2015-03-05
申请号：US13987785
申请日：2013-09-03
申请人： Hui He , Bor Z. Jang , Yanbo Wang , Aruna Zhamu
发明人： Hui He , Bor Z. Jang , Yanbo Wang , Aruna Zhamu
IPC分类号： H01M10/0568 , H01M10/052
CPC分类号： H01M10/0568 , H01M4/38 , H01M4/625 , H01M10/052 , H01M10/0569 , Y02T10/7011
摘要： A rechargeable lithium-selenium cell comprising a cathode having a cathode active material selected from Se or SexSy (x/y ratio=0.01 to 100), an anode having an anode active material, a porous separator electronically separating the anode and the cathode, a non-flammable quasi-solid electrolyte in contact with the cathode and the anode, wherein the electrolyte contains a lithium salt dissolved in a first organic liquid solvent with a lithium salt concentration sufficiently high (at least 2.0 M, more preferably >3.0 M) so that the electrolyte exhibits a vapor pressure less than 0.01 kPa when measured at 20° C., a flash point at least 20 degrees Celsius higher than the flash point of the first organic liquid solvent alone, a flash point higher than 150° C., or no flash point. This battery cell is non-flammable and safe, has a long cycle life, high capacity, and high energy density.
摘要翻译：一种可再充电锂硒电池，其特征在于，具有阴极，所述阴极具有选自Se或SexSy的阴极活性物质（x / y比= 0.01〜100），具有负极活性物质的阳极，电解阳极和阴极的多孔隔膜，与阴极和阳极接触的非易燃准固体电解质，其中电解质含有溶解在锂盐浓度足够高（至少2.0M，更优选> 3.0M）的第一有机液体溶剂中的锂盐，因此当在20℃下测量时，电解质表现出小于0.01kPa的蒸气压，闪点比单独的第一有机液体溶剂的闪点高至少20摄氏度，闪点高于150℃，或没有闪点。该电池不易燃，安全，循环寿命长，容量大，能量密度高。

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