公开(公告)号：US06511767B1

公开(公告)日：2003-01-28

申请号：US09674847

申请日：2001-05-24

申请人： Timothy James Calver ,  Stewart Ernest Male ,  Philip John Mitchell ,  Ian Whyte

发明人： Timothy James Calver ,  Stewart Ernest Male ,  Philip John Mitchell ,  Ian Whyte

IPC分类号： H01M496

CPC分类号： H01M8/188 ,  H01M4/96 ,  Y02P70/56

摘要： A carbon based electrode for the electrochemical reduction of sulfur or oxygen, which comprises an electrode core and, in electrical contact therewith, a structure comprising a porous particulate activated carbon bonded with a polymeric binder material, characterised in that the structure is at least 1 mm thick, in that the particulate activated carbon is prepared from a lignocellulosic material and has the following properties: i) a particle size in the range of from 200 to 850 &mgr;m; ii) a pore volume of from 0.45 to 1.0 cm3 per gram; iii) a surface area in the range of from 800 to 1500 m2/g; and in that the binder is used in an amount not exceeding 25% by weight based upon the mixture of activated carbon and binder material.

摘要翻译： 一种用于硫或氧的电化学还原的碳基电极，其包括电极芯并与其电接触的结构包括与聚合物粘合剂材料结合的多孔颗粒活性炭，其特征在于该结构至少为1mm 因为颗粒活性炭是由木质纤维素材料制备的，具有以下特性：i）粒径在200至850μm之间; ii）每克孔体积为0.45至1.0cm 3; iii）800至1500m2 / g范围内的表面积; 并且基于活性炭和粘合剂材料的混合物，粘合剂的用量不超过25重量％。