摘要:
Provided are a proton-exchange membrane of which the ionic conductivity is high and the methanol crossover is low, and a fuel cell of high power that comprises the proton-exchange membrane. The proton-exchange membrane has a structure of mesogen-containing organic molecular chains and a proton-donating group-containing group covalent-bonding to a silicon-oxygen three-dimensional crosslinked matrix, in which at least a part of the organic molecular chains are oriented to form an aggregate thereof; and the fuel cell comprises the membrane.
摘要:
A solid electrolyte having a high ionic conductivity and not so much troubled by methanol-crossover through it is provided according to a method of sulfonation of a compound of the following formula (I), etc., followed by sol-gel reaction of the resulting compound, or according to a method of the sol-gel reaction followed by the sulfonation. wherein R1 represents a hydrogen atom, an alkyl group, an aryl group or a silyl group; R2 represents an alkyl group, an aryl group or a heterocyclic group; m1 indicates an integer of from 1 to 3; L1 represents a single bond, an alkylene group, —O—, —CO—, or a divalent linking group of a combination of any of these groups; L2 represents an n1-valent linking group; Ar1 represents an arylene or heteroarylene group having at least one electron-donating group; n1 indicates an integer of from 2 to 4; s1 indicates an integer of 1 or 2.
摘要翻译:根据下式(I)等化合物的磺化方法,提供具有高离子电导率并且不被甲醇交联穿过的固体电解质,然后通过所得到的下式(I)等的溶胶 - 凝胶反应 或根据溶胶 - 凝胶反应随后进行磺化的方法。 其中R 1表示氢原子,烷基,芳基或甲硅烷基; R 2表示烷基,芳基或杂环基; m1表示1〜3的整数, L 1表示这些基团中的任一个的单键,亚烷基,-O-,-CO-或二价连接基团; L 2代表n1价连接基团; Ar 1表示具有至少一个给电子基团的亚芳基或亚杂芳基; n1表示2〜4的整数, s1表示1或2的整数。
摘要:
An electrolyte composition which is excellent in durability and charge transport performance, and an electrochemical battery in which deterioration of the charge transport performance with time is minimized, the electrolyte composition including therein a salt which comprises an anion which contains a mesogen group, and an alkyl or alkenyl group having 6 carbons or more in the structure of the anion, and an organic or inorganic cation.
摘要:
An electrolyte composition comprising a compound represented by the following general formula (1): wherein R represents a substituent containing a —(CR1R2—CR3R4—O)n— bond (in which R1 to R4 are independently a hydrogen atom or an alkyl group, n being an integer of 2 to 20); Q represents an atomic group forming an aromatic cation having a 5- or 6-membered ring structure with a nitrogen atom, which may have a substituent; and X− represents an anion. A photoelectric conversion device comprising the electrolyte composition and a photo-electrochemical cell composed thereof are also provided.
摘要翻译:一种电解质组合物,其包含由以下通式(1)表示的化合物:其中R表示含有 - (CR 1 R 2 -CR 3 R 4 -O)n - 键的取代基(其中R 1至R 4独立地为氢原子或烷基, n为2〜20的整数) Q表示具有可具有取代基的具有氮原子的5或6元环结构的芳香族阳离子的原子团。 X-表示阴离子。 还提供了包含电解质组合物和由其组成的光电化学电池的光电转换装置。
摘要:
A nonaqueous secondary battery is disclosed, comprising a positive electrode, a negative electrode, and a nonaqueous electrolytic solution containing a lithium salt, wherein the battery contains a hydrazine derivative represented by formula (I):R.sub.1 R.sub.2 N--NR.sub.3 R.sub.4 (I)wherein R.sub.1, R.sub.2, and R.sub.3 each represents an alkyl group, an aryl group, a heterocyclic group, an acyl group, an oxycarbonyl group or a sulfonyl group; and R.sub.4 represents an acyl group, an oxycarbonyl group or a sulfonyl group.
摘要翻译:公开了一种非水系二次电池,其包含正极,负极和含有锂盐的非水电解液,其中,所述电池含有式(I)表示的肼衍生物:R1R2N-NR3R4(Ⅰ)其中R1,R2 R 3各自表示烷基,芳基,杂环基,酰基,氧羰基或磺酰基; R 4表示酰基,氧羰基或磺酰基。
摘要:
An inexpensive multi-layered holographic read-only memory having a large capacity is provided. In the memory in which single-mode slab waveguides are multi-layered, a periodic scattering center whose period approximately agrees with the period of the guided mode is provided in at least one of a core layer and a clad layer in each waveguide so that a guided wave in the waveguide is diffracted by the periodic scattering center to the outside of the waveguide and a holographic image is generated.
摘要:
A catalyst component for polyolefin production catalysts comprising a metallocene compound represented by general formula (1) (symbols have the meanings as described in the specification), polyolefin production catalyst containing the component, and method for producing polyolefin with the catalyst are provided. Use of a catalyst containing the novel metallocene compound as a catalyst component of the invention in polymerization of .alpha.-olefin, particularly propylene, enables one to prepare high rigid, high melting point isotactic polypropylene useful as an industrial material for automobiles and the like, more specifically isotactic polypropylene having highly controlled stereoregulartity and regioregularity, particularly the one having a high regioregularity that has been difficult to achieve with conventional metallocene catalysts. ##STR1##
摘要:
A silver halide color photographic material is disclosed, wherein it comprises a support having thereon one or more constituent layers including at least one silver halide emulsion layer, wherein at least one hydrophilic colloid layer of said constituent layers contains a coupler represented by the following formula (M) or formula (I) and at least one hydrophilic colloid layer of said constituent layers contains a compound represented by the following formula (H): ##STR1##
摘要:
A silver halide color photographic material comprising a support having coated thereon at least one silver halide emulsion layer, the silver halide color photographic material containing a photographic cyan dye forming coupler represented by the following general formula (I): ##STR1## wherein R.sub.1 represents an aliphatic group, an aromatic group, heterocyclic group or a substituted amino group; R.sub.2 and R.sub.3, which may be the same or different, each represents an aliphatic group, an aromatic group or a heterocyclic group, or R.sub.2 and R.sub.3 may combine with each other to form a ring; and X represents a group capable of beiing released upon an oxidative coupling with a developing agent (including a hydrogen atom).The photographic cyan dye forming coupler has a high color forming rate and provides a high maximum color density even when a color developing solution which does not contain benzyl alcohol is used, and exhibits substantially no reduction in color density in the case of processing in a bleaching solution having a weak oxidation power or an exhausted bleaching solution.The silver halide color photographic material containing the photographic cyan dye forming coupler can provide color images having excellent fastness and color reproducibility and less stain in white background area.
摘要:
Lead frame for mounting a semiconductor chip and improving the packing density of devices such as a plastic chip carrier type IC is disclosed. A portion of inner leads, located parallel to the chip stage and the edge of a molded case is made as thin as possible and held by inner lead supporting bars to tie bars until the molding process is finished. After molding process is finished, these bars supporting the leads and stage are cut away. Packing density is improved an amount ranging from 20% to 30%.