The present invention relates to an ion conducting polymer including a partially branched block copolymer; a method of preparing the same; an ion conductor including the ion conducting polymer; an electrolytic membrane including the ion conducting polymer; a membrane-electrode assembly comprising the electrolytic membrane, and a battery comprising the same; and a separation membrane for a redox flow battery including the ion conducting polymer, and a redox flow battery comprising same. Specifically, the partially branched block copolymer includes: a first block including a hydrophilic first polymer; a second block derived from a hydrophobic second polymer having two or more reactive groups respectively on its both ends, in such a way as to form branching points forming side branches on a main chain; and optionally a third block including a hydrophobic third polymer. The ion conducting polymer in the form of a partially branched block copolymer can prepare a polymer membrane having improved conductivity and superior physical properties such as tensile strength elongation at break, etc., while having the same or similar ion-exchange capacity (IEC), percentage water absorption and/or degree of dimensional change compared to conventional ion conducting polymers in the form of linear block copolymers. Because of such outstanding physical properties, the polymer membrane can be used as a membrane-electrode assembly for a fuel cell, and a redox flow battery comprising the same as a separation membrane can exhibit outstanding cell performance and maintain high discharge charge capacity retention rate even when repeatedly charged and discharged several times.

A composite polymer electrolyte membrane includes a composite layer of an aromatic hydrocarbon-based polymer electrolyte and a fluorine-containing polymer porous membrane, wherein a ratio (O/F ratio) of an atomic composition percentage of oxygen O (at %) to an atomic composition percentage of fluorine F (at %) on an outermost surface of the fluorine-containing polymer porous membrane as measured by X-ray photoelectron spectroscopy (XPS) is 0.20 or more to 2.0 or less, and the aromatic hydrocarbon-based polymer electrolyte in the composite layer forms a phase separation structure.

An electrochromic polymer with polar side chains is disclosed. The viscosity of the electrochromic polymer is controllable by adjusting a ratio between polar side chains and alkyl side chains for forming the electrochromic polymer. The disclosed electrochromic polymer with polar side chains can be also made into a film with a controllable thickness by coating.

An all-donor black color electrochromic polymer is disclosed as well as a method for preparing the all-donor black color electrochromic polymer. The electrochromic polymer comprises conjugated polymers, and the conjugated polymers are chemically linked, or physically blended, or both.

The present invention relates to a polymer possessing a linear backbone selected from the homopolymers belonging to the family of polyfluorenes, polycarbazoles, polyanilines, polyphenylenes, polyisothionaphthenes, polyacetylenes, polyphenylene vinylenes, and copolymers thereof, said backbone bearing at least one side group possessing at least one nitroxide function. It also relates to an electrode material, an electrode and a lithium secondary battery obtained from such a polymer.

There is provided a compound having Formula I

##STR00001##

In Formula I: BCz is a substituted or unsubstituted benzocarbazole unit; L.sup.1 and L.sup.2 are the same or different and are H, D, halogen, aryl, arylamino, crosslinkable groups, deuterated aryl, deuterated arylamino, or deuterated crosslinkable groups; Q.sup.1 and Q.sup.2 are the same or different and are a single bond, alkyl, aryl, heteroaryl, diarylamino, triarylamino, deuterated alkyl, deuterated aryl, deuterated heteroaryl, deuterated diarylamino, or deuterated triarylamino; and n is an integer greater than 0, with the proviso that when n=1, L.sup.1 and L.sup.2 are Cl, Br, crosslinkable groups or deuterated crosslinkable groups.

Water-soluble fluorescent polymeric dyes and polymeric tandem dyes are provided. The polymeric dyes include a water solvated light harvesting multi-chromophore having a conjugated segment of aryl and/or heteroaryl co-monomers. The molar ratio of the co-monomers can be adjusted to provide beneficial technical properties, such as increased water solubility and improved absorption and emission spectra. For instance, the conjugated segment can have a first co-monomer substituted with a water-soluble group (WSG) and a second co-monomer, wherein the first co-monomer is in an amount that is equal or greater than the amount of the second co-monomer. multi-chromophore. The polymeric tandem dyes further include a signaling chromophore covalently linked to the multi-chromophore in energy-receiving proximity therewith. Also provided are aggregation-resistant labelled specific binding members that include the subject water-soluble polymeric dyes. Methods of evaluating a sample for the presence of a target analyte and methods of labelling a target molecule in which the subject polymeric dyes find use are also provided. Systems and kits for practicing the subject methods are also provided.

An electrochromic device includes a first insulating substrate; a first conducting layer disposed over the first insulating substrate; an electrochromic layer disposed over the first conducting layer, an electrolyte layer disposed over the electrochromic layer; a second conducting layer disposed over the electrolyte layer; and a second insulating substrate disposed over the second conducting layer. The electrochromic layer includes an electrochromic polymer having a polymer backbone comprising one or more meta-conjugated linkers (MCLs) and one or more aromatic moieties (Ars). Each of the one or more MCLs is partially conjugated with one of the one or more Ars at a meta position of the one or more MCLs. The thickness of the electrochromic layer is from 10 nm to 5800 nm resulting in transmittance of 70%-99.9% at a wavelength of 550 nm at a neutral state of the electrochromic layer.

A polymer compound including a structural unit (A) represented by Chemical Formula 1 as described. In Chemical Formula 1, Ar.sup.1, Ar.sup.2, Ar.sup.11, Ar.sup.12, X.sup.1, Y.sup.1, and L.sup.1 are each independently as described in the specification. An electroluminescence device including a first electrode, a second electrode, and at least one layer of an organic film between the first electrode and the second electrode, the at least one layer of an organic film comprises the polymeric compound.

A copolymer including a structural unit represented by Chemical Formula 1 ##STR00001##
wherein the copolymer is capable of improving luminous efficiency and durability, particularly, an improvement in luminescence life-span, of an electroluminescence device, particularly a quantum dot electroluminescence device.