公开(公告)号：US06544680B1

公开(公告)日：2003-04-08

申请号：US09591169

申请日：2000-06-09

Applicant: Shigeru Takano ,  Kenichi Uehara ,  Yasunobu Iizuka ,  Hitomi Hatano

Inventor： Shigeru Takano ,  Kenichi Uehara ,  Yasunobu Iizuka ,  Hitomi Hatano

IPC: H01M200

CPC classification number: H01M8/0226 ,  H01M8/0213 ,  Y02P70/56 ,  Y10S977/902 ,  Y10S977/948

Abstract: A fuel cell separator including (a) about 100 parts by weight of graphitized meso-carbon microbeads, (b) about 10 to 35 parts by weight of one of a thermosetting resin and a thermoplastic resin, and (c) about 1 to 40 parts by weight of at least one carbonaceous material selected from the group consisting of graphite powder, carbon black, and fine carbon fibers. The fuel cell separator exhibits low electrical resistivity, low volume resistivity, superior gas impermeability, and superior dimensional accuracy without a graphitizing treatment after molding. A fuel cell using the fuel cell separators can be produced while saving energy using a simplified facility and has superior generation efficiency.

Abstract translation: 一种燃料电池分离器，包括（a）约100重量份的石墨化的中碳微珠，（b）约10至35重量份的热固性树脂和热塑性树脂之一，和（c）约1至40个 的至少一种选自石墨粉末，炭黑和细碳纤维的碳质材料。 燃料电池隔板在成型后没有进行石墨化处理，具有低电阻率，低体积电阻率，优异的不透气性和优异的尺寸精度。 使用燃料电池分离器的燃料电池可以使用简化的设备节省能源并且具有优异的发电效率。

公开(公告)号：US5779880A

公开(公告)日：1998-07-14

申请号：US667932

申请日：1996-06-24

Applicant: Takayuki Maruyama ,  Takao Ogino ,  Yuichi Ishino ,  Tasuku Saito ,  Takashi Haraoka ,  Kaori Takagi ,  Hitomi Hatano

Inventor： Takayuki Maruyama ,  Takao Ogino ,  Yuichi Ishino ,  Tasuku Saito ,  Takashi Haraoka ,  Kaori Takagi ,  Hitomi Hatano

IPC: C01B31/02 ,  C10C3/00 ,  C10M125/02 ,  C10M169/04 ,  C10M171/00 ,  C10N20/00 ,  C10N20/02 ,  C10N20/06 ,  C10N40/14 ,  C10N70/00 ,  C10C1/20

CPC classification number: C10M171/001 ,  C10C3/00

Abstract: An electrorheological fluid is constituted by using a dispersed phase of a carbonaceous powder having an oxygen content above 10% by weight but not more than 20% by weight and having an average particle diameter of 0.01-100 .mu.m, obtained by: heat-polymerizing a condensed polycyclic aromatic compound containing a main component of naphthalene by using HF/BF.sub.3 as a catalyst to obtain a 100% meso-phase pitch having a softening point within a range of 150.degree.-400.degree. C.; heat-treating and making the pitch infusible in an oxidizing atmosphere at a temperature not more than a fusing temperature of the pitch and not less than 50.degree. C. but not more than 400.degree. C. to allow the pitch to have an oxygen content of 12-25% by weight; and then heat-treating and carbonizing the pitch in an inert gas atmosphere at a temperature not less than 300.degree. C. but not more than 700.degree. C. It is thus possible to obtain an electrorheological fluid having low current consumption, a high electrorheological effect and excellent long-term durability, even when the carbonaceous powder having high oxidation resistance and a high oxygen content is used.

Abstract translation: 电流变液是通过使用氧含量在10重量％以上20重量％以下的碳质粉末的分散相构成的，平均粒径为0.01〜100μm，通过以下方式获得：热聚合 通过使用HF / BF 3作为催化剂，含有主成分的缩合多环芳香族化合物，得到软化点为150〜400℃的100％内相间距。 在不高于沥青的熔融温度的温度的氧化性气氛中进行热处理，使其不会在50℃以上且400℃以下，使沥青的氧含量为 12-25重量％ 然后在惰性气体气氛中在不低于300℃但不高于700℃的温度下对沥青进行热处理和碳化。因此可以获得电流消耗低，电流变效应高的电流变流体 并且即使使用具有高抗氧化性和高氧含量的碳质粉末，也具有优异的长期耐久性。

公开(公告)号：US5332517A

公开(公告)日：1994-07-26

申请号：US987121

申请日：1992-12-08

Applicant: Takayuki Torii ,  Takashi Haraoka ,  Katsuhiro Nagayama ,  Hitomi Hatano ,  Noriyoshi Fukuda ,  Yuichi Ishino ,  Takayuki Maruyama ,  Tasuku Saito

Inventor： Takayuki Torii ,  Takashi Haraoka ,  Katsuhiro Nagayama ,  Hitomi Hatano ,  Noriyoshi Fukuda ,  Yuichi Ishino ,  Takayuki Maruyama ,  Tasuku Saito

IPC: C01B31/02 ,  C10M171/00

CPC classification number: C01B31/02 ,  C10M171/001

Abstract: A method for producing a carbonaceous powder which can be used as dielectric fine particles to be dispersed in an insulating oil to produce an electrorheological fluid is provided. The method comprises the steps of subjecting a starting organic material selected from the group consisting of coal, coal tar, coal tar pitch, liquefied coal, coke, petroleum, petroleum tar, petroleum pitch, and resins to a heat treatment at a maximum temperature of 300.degree. to 800.degree. C. to produce carbonaceous material; pulverizing and classifying the material to produce carbonaceous particles having a mean particle size of 0.5 to 40 .mu.m and a maximum particle size of up to 50 .mu.m; and subjecting the particles to an additional treatment at an elevated temperature and/or a reduced pressure, said additional treatment being carried out at a temperature lower than said maximum temperature of the heat treatment. The resulting carbonaceous powder may optionally be subjected to a further pulverization treatment.

Abstract translation: 提供了可用作分散在绝缘油中以产生电流变流体的电介质微粒的碳质粉末的方法。 该方法包括以下步骤：将选自煤，煤焦油，煤焦油沥青，液化煤，焦炭，石油，石油焦油，石油沥青和树脂的起始有机材料在最高温度 300〜800℃，生成碳质材料; 对材料进行粉碎分级，制成平均粒径为0.5〜40μm，最大粒径达50μm的碳质粒子; 并在高温和/或减压下对颗粒进行另外的处理，所述另外的处理在低于热处理的最高温度的温度下进行。 得到的碳质粉末可以任选进一步粉碎处理。

公开(公告)号：US20070259244A1

公开(公告)日：2007-11-08

申请号：US11662549

申请日：2005-12-06

Applicant: Yutaka Araki ,  Kazuya Takemura ,  Yoshinori Takagi ,  Hitomi Hatano ,  Jouichi Takenaka

Inventor： Yutaka Araki ,  Kazuya Takemura ,  Yoshinori Takagi ,  Hitomi Hatano ,  Jouichi Takenaka

IPC: H01M8/02

CPC classification number: H01B1/24 ,  H01M8/0206 ,  H01M8/0221 ,  H01M8/0226 ,  H01M8/0228 ,  H01M2008/1095 ,  Y02P70/56

Abstract: A sheet produced by a paper making method comprises electrically conductive fibers whose length is over 2 mm, electrically conductive powder, and resin. Since the sheet has high electrical conductivity and excellent flexural property, it is suitable for use of a fuel cell separator etc.

Abstract translation: 通过造纸方法制造的片材包括长度超过2mm的导电纤维，导电粉末和树脂。 由于片材具有高导电性和优异的弯曲性，因此适用于燃料电池隔板等。