Abstract: The present invention generally relates to blends of poly acrylic acid (PAA) and polyacrylamide (PAM) and their use as binders in negative electrodes for lithium ion batteries.

Abstract: The present invention pertains to lithiated polyamic acid derivatives and to their use as binders in electrodes for lithium ion batteries.

Abstract: The present invention pertains to an electrode-forming composition comprising one or more aromatic polyamide-imide polymers (PAI), one or more electro-active compounds, one or more solvents and one or more co-binder materials being selected among polymers having a Tg below 30° C. and having an enthalpy of fusion from 0 to 90 J/g. The present invention also relates to the use of said electrode-forming composition in a process for the manufacture of an electrode, to said electrode and to an electrochemical device such as a secondary battery comprising said electrode.

Abstract: The present invention relates to a solid electrolyte film comprising sulfide-based solid electrolyte particles dispersed into an amorphous fluorinated binder, said solid electrolyte film being characterized by improved ionic conductivity, improved resistance to oxidation and good mechanical properties. The invention further relates to a process for the manufacture of said solid electrolyte film and to its use in solid state batteries.

Abstract: The present invention pertains to an aqueous composition comprising salified polyamide-imide polymers and polyvinylidene fluoride and its use for the manufacture of electrochemical cell components, such as separators.

Abstract: The present invention pertains to salified polyamide-imide polymers and their use as for the manufacture of electrochemical cell components, such as separators.

Abstract: The present invention pertains to an electrode-forming composition, to use of said electrode-forming composition in a process for the manufacture of an electrode, to said electrode and to an electrochemical device comprising said electrode.

Abstract: The present invention pertains to an ionically conductive composition comprising at least one ionic conductive solid inorganic substance and at least one copolymer of vinylidene fluoride, to a process for its manufacture and to the use thereof for manufacturing components for solid state batteries.

Abstract: The present invention pertains to an electrode-forming composition, to use of said electrode-forming composition in a process for the manufacture of a composite electrode, to said composite electrode and to a secondary battery comprising said composite electrode.

Abstract: The invention pertains to certain fluoropolymer-based hybrid organic/inorganic composites, to polymer electrolytes obtained therefrom and to use of said polymer electrolytes in electrochemical devices.

Abstract: The present invention pertains to an at least partially coated separator for an electrochemical cell, to a method for its preparation and to an electrochemical cell comprising such separator.

Abstract: The present invention pertains to vinylidene fluoride copolymers comprising recurring units derived from hydrophilic (meth)acrylic monomers and from perhalogenated monomers and to their use as binders for silicon negative electrodes.

Abstract: The present invention pertains to a fluorosurfactant free aqueous dispersion of an acrylic-modified vinylidene fluoride polymer, possessing a melt viscosity of at least 30 kPoise, and possessing an amount of end groups of formula —CH2—OH of at least 5 mmol/kg, to a method for its preparation and to its use for the manufacture of electrochemical cell components, such as electrodes and/or composite separators.

Abstract: The present invention pertains to a lithiated polyamide-imide (LiPAI) polymer, a method of making the LiPAI, an electrode-forming composition comprising the LiPAI, a method of making a negative electrode with the electrode-forming composition; and a lithium-ion battery comprising the negative electrode.

Abstract: The present invention relates to an aqueous binder composition for use in the production of a lithium secondary battery electrode, a lithium secondary battery electrode formed therewith, and a lithium secondary battery including the same.

Abstract: The present invention pertains to an electrode-forming composition comprising: (a) at least one fluoropolymer [polymer (F)]; (b) particles of at least one active electrode material [particles (P)], said particles (P) comprising: —a core comprising at least one active electrode compound [compound (NMC)] of formula (I): Li[Lix(ApBQCw)1-x]O2??(I) wherein A, B and C, different from each other, are selected from the group consisting of Fe, Ni, Mn and Co, x is comprised between 0 and 0.3, P is comprised between 0.2 and 0.8, preferably between 0.2 and 0.5, more preferably between 0.2 and 0.4, Q is comprised between 0.1 and 0.4, and W is comprised between 0.1 and 0.4, and —an outer layer consisting of a metal compound [compound (M)] different from Lithium, said outer layer at least partially surrounding said core; and (c) a liquid medium [medium (L)].

Abstract: The present invention pertains to a fluorosurfactant free aqueous dispersion of an acrylic-modified vinylidene fluoride polymer, possessing a melt viscosity of at least 30 kPoise, and possessing an amount of end groups of formula —CH2—OH of at least 5 mmol/kg, to a method for its preparation and to its use for the manufacture of electrochemical cell components, such as electrodes and/or composite separators.

Abstract: The present invention pertains to an at least partially coated separator for an electrochemical cell, to a method for its preparation and to an electrochemical cell comprising such separator.

Abstract: The present invention pertains to an electrode-forming composition comprising: (a) at least one fluoropolymer [polymer (F)]; (b) particles of at least one active electrode material [particles (P)], said particles (P) comprising: —a core comprising at least one active electrode compound [compound (NMC)] of formula (I): Li[Lix(ApBQCw)1-x]O2 (I) wherein A, B and C, different from each other, are selected from the group consisting of Fe, Ni, Mn and Co, x is comprised between 0 and 0.3, P is comprised between 0.2 and 0.8, preferably between 0.2 and 0.5, more preferably between 0.2 and 0.4, Q is comprised between 0.1 and 0.4, and W is comprised between 0.1 and 0.4, and —an outer layer consisting of a metal compound [compound (M)] different from Lithium, said outer layer at least partially surrounding said core; and (c) a liquid medium [medium (L)].

Abstract: A polymeric actuator includes a first and a second electrode layer (2, 3), both containing electrically conductive material and able to change size in at least one direction of deformation under the action of charge injection or ion intercalation. A solid polymer electrolyte layer (4) is interposed between the first and the second electrode layer, in which the solid polymer electrolyte layer is electrically insulating and ionically conductive. The actuator is able to deform by the action of the dimensional changes of the first and second electrode layer. The actuator further includes a passive electrode (5) immersed in the solid electrolyte layer to be electrically insulated relative to the first and second electrode layer, in which the passive electrode is electrically conductive and elastically deformable material, so as to support mechanically the deformations of the actuator induced by the dimensional changes of the first and second electrode layer.