Abstract:
A nanoparticle organic hybrid material (NOHM) containing an organic polymeric corona having a molecular weight in a range of 100-50,000 g/mol, wherein the organic polymeric corona is covalently attached to an inorganic nanoparticle core, wherein the NOHM exhibits liquid-like properties so that the NOHM moves freely and flows in a manner so that when the NOHM is in a container, the NOHM takes the shape of the container, and wherein the NOHM has a volume fraction (fc) of the inorganic particle ranging from about 0.05 to 0.75, methods of making the NOHMs, and compositions containing the NOHMs.
Abstract:
Conducting coatings disposed on a metal member. The conducting coatings may have a desired texture and provide homoepitaxial or heteroepitaxial coating of an electrodeposited layer. A conducting coating may be formed by applying a shear force during deposition of the conducting coating. The conducting coatings may be used in anodes of various electrochemical devices. A conducting coating, which may be part of an electrochemical device, may have an electrochemically deposited layer disposed on at least a portion of a surface of the conducting coating. The electrochemically deposited layer may be reversibly electrochemically deposited.
Abstract:
Provided are compositions including one or more cyclic ether(s), one or more salt(s), which may be one or more lithium salt(s), one or more sodium salt(s), or a combination thereof, and, optionally, one or more ring-opening polymerization initiator(s). The compositions may be used to form solid-state electrolytes. Also provided are methods for forming solid-state electrolytes using the compositions and devices comprising one or more composition(s) or one or more solid-state electrolyte(s) using the compositions.
Abstract:
Rechargeable metal batteries are disclosed having a protective ionic membrane layer on a metal anode. The ionic membrane can be formed from ionomers in the electrolyte including polymerizable ionic liquid monomers or halogenated alkyl anion salts. Such ionic membranes can continuously supply ions near the anode electrode and stabilize the anode metal electrode.
Abstract:
A metal-based battery includes at least one metal electrode immersed within an electrolyte that includes: (1) an aprotic solvent; (2) a simple halogen containing material; and (3) optionally a metal salt that includes a complex halogen containing anion. The simple halogen containing material may include a metal halide salt that includes a metal cation selected from the group including but not limited to lithium and sodium metal cations. The metal halide salt may also include a halide anion selected from the group consisting of fluoride, chloride, bromide and iodide halide anions. The use of the metal halide salt within the metal-based battery provides enhanced cycling ability within the metal-based battery. Also contemplated are additional simple halogen containing material additives that may enhance cycling performance of a metal-based battery.
Abstract:
A sandwich-type laminated composite for a battery separator that may be infused with a battery electrolyte uses a corer layer comprising a first nanoporous material to which is laminated upon opposite sides a pair of cladding layers comprising a second nanoporous materials different from the first nanoporous material and comprising a polymer material. A particular construction uses a nanoporous alumina core material and a pair of PVDF-FEP cladding layers to provide the sandwich-type laminated composite.
Abstract:
Hybrid materials and nanocomposite materials, methods of making and using such materials. The nanoparticles of the nanocomposite are formed in situ during pyrolysis of a hybrid material comprising metal precursor compounds. The nanoparticles are uniformly distributed in the carbon matrix of the nanocomposite. The nanocomposite materials can be used in devices such as, for example, electrodes and on-chip inductors.
Abstract:
A nanoparticle organic hybrid material (NOHM) containing an organic polymeric corona having a molecular weight in a range of 100-50,000 g/mol, wherein the organic polymeric corona is covalently attached to an inorganic nanoparticle core, wherein the NOHM exhibits liquid-like properties so that the NOHM moves freely and flows in a manner so that when the NOHM is in a container, the NOHM takes the shape of the container, and wherein the NOHM has a volume fraction (fc) of the inorganic particle ranging from about 0.05 to 0.75, methods of making the NOHMs, and compositions containing the NOHMs.
Abstract:
Methods of making a textured metal or a textured metal layer, anodes, and devices. In various examples, a method comprises rolling a metal; and folding the rolled metal. In various examples, the rolling and folding are repeated a desired number of times. In various examples, the rolling(s) result(s) in severe plastic deformation (SPD) of the metal, anisotropic deformation(s), or alignment of the metal, or any combination thereof. In various examples, the metal comprises potassium, sodium, lithium, zinc, magnesium, aluminum, calcium, or the like, or any combination thereof. In various examples, an anode comprises a textured metal. In various examples, the textured metal epitaxially templates deposition of the reduced form of metal-ions of a metal ion-conducting electrochemical device. In various examples, a device, such as, for example, a battery (e.g., an ion-conducting battery), a supercapacitor, a fuel cell, an electrolyzer, or an electrolytic cell, comprises one or more of the anode(s).
Abstract:
Rechargeable batteries are disclosed having a protective membrane layer on surfaces of an electrode such as cathode active material. Such membranes include anionically charged groups and include an anionic membrane or a zwitterionic membrane. Such membranes can minimize contact of electrolyte to the surfaces of the active materials of the cathode where oxidation of electrolyte typically occurs thus promoting thermal stability of the electrolyte especially for high voltage batteries.