Abstract: A negative electrode composition includes a silicon containing material and a crosslinked polymer containing coating surrounding at least a portion of the silicon containing material. The crosslinked polymer containing coating comprises a (co)polymer derived from polymerization of one or more vinylic monomers comprising a carboxyl or carboxylate group.

Abstract: Methods of preparing a dry powder blend co-coagulating conductive carbon black particles and fibrillizable polytetrafluoroethylene particles from an aqueous dispersion and drying the co-coagulate are described. Dry powders prepared by such methods and electrodes prepared from such powders are also described.

Abstract: A breathing apparatus includes a blower unit including a blower. The breathing apparatus further includes a battery pack including at least one electrochemical cell. The breathing apparatus further includes an adaptor including an adaptor housing physically connected to the blower unit and the battery pack. The adaptor further includes electrical contacts that engages with corresponding electrical terminals of the blower unit and the battery pack, such that the blower is electrically coupled to the electrochemical cell. The adaptor further includes at least one communication interface for receiving data from at least one of the blower unit and the battery pack, and transmitting data to an external device.

Abstract: There is provided a system having an electronic device powered by at least one battery, a controller communicably coupled to at least one battery, wherein the controller is configured to: determine a state of charge of the at least one battery; and interrupt a function of the electronic device for at least one predefined time period based on the state of charge of the at least one battery, where the interruption is indicative of a state of charge of the at least one battery. There is also provided an electronic device for use in the system.

Abstract: A negative electrode composition includes a silicon containing material and a crosslinked polymer containing coating surrounding at least a portion of the silicon containing material. The crosslinked polymer containing coating comprises a (co)polymer derived from polymerization of one or more vinylic monomers comprising a carboxyl or carboxylate group.

Abstract: A cathode composition includes a lithium transition metal oxide having the formula Lip?qNixMnyCozO2, where ? represents assumed vacancy content, p+q+x+y+z=2, 0.05<q<0.15, 0.8<p<1.02, 0.05<x<0.45, 0.05<y<0.6, 0.05<z<0.6, and 0.14<p*x<0.34. The lithium transition metal oxide has an O3 type structure.

Abstract: A lithium transition metal oxide composition. The composition has the formula Lia[LibNicMndCoe]O2, where a?0.9, b?0, c>0, d>0, e>0, b+c+d+e=1, 1.05?c/d?1.4, 0.05?e?0.30, 0.9?(a+b)/M?1.06, and M=c+d+e. The composition has an O3 type structure.

Abstract: A lithium transition metal oxide composition. The composition has the formula Lia[LibNicMndCoe]O2, where a?0.9, b?0, c>0, d>0, e>0, b+c+d+e=1, 1.05?c/d?1.4, 0.05?e?0.30, 0.9?(a+b)/M?1.06, and M=c+d+e. The composition has an O3 type structure.

Abstract: An electrolyte solution for a lithium ion battery, the electrolyte solution includes water, a cyclic carbonate, and a lithium imide salt. In one embodiment of the present disclosure, an electrolyte solution for a lithium ion battery is provided, wherein the electrolyte solution includes: a lithium ion battery charge carrying medium; water; a cyclic carbonate; and a lithium imide salt; wherein the water is present in an amount of at least 100 parts per million (ppm) (or at least 200 ppm), based on the total weight of the electrolyte solution.

Abstract: A cathode composition is provided. The composition includes particles having the following formula Li[Lix(NiaMnbCoc)1-x]O2, where 0<x<0.3, 0<a<1, 0<b<1, 0<c<1, a+b+c=1, a/b?1. The composition further includes a coating composition having the formula LifCog[PO4]1-f-g (0?f<1, 0?g<1). The coating composition is disposed on an outer surface of the particles.

Abstract: A lithium transition metal oxide composition. The composition has the formula Lia[LibNicMndCoe]O2, where a?0.9, b?0, c>0, d>0, e>0, b+c+d+e=1, 1.05?c/d?1.4, 0.05?e?0.30, 0.9?(a+b)/M?1.06, and M=c+d+e. The composition has an O3 type structure.

Abstract: A lithium transition metal oxide composition. The composition has the formula Lia[LibNicMndCOe]02, where a?0.9, b?0, c>0, d>0, e>0, b+c+d+e=1, 1.05?c/d?1.4, 0.05?e?0.30, 0.9?(a+b)/M?1.06, and M=c+d+e. The composition has an 03 type structure.

Abstract: An electrolyte solution for a lithium ion battery, wherein the electrolyte solution includes water.

Abstract: High capacity lithium-ion electrochemical cells are provided that include positive electrode comprising a layered lithium transition metal oxide having a first irreversible capacity and a negative electrode that includes an alloy anode material that also has a first irreversible capacity. The first irreversible capacity of the positive electrode is less than the first irreversible capacity of the negative electrode. The discharge voltage curve of the positive electrode covers at least 10% of its capacity at voltages below 3.5 V ea) vs. Li/Li+. The average discharge voltage of the positive electrode is above 3.75 V vs. Li/Li+ when the cell is discharged from about 4.6 V vs. Li/Li+ to about 2.5 V vs. Li/Li+ at a rate of C/10 or slower and when the electrochemical cell is discharged to a final discharge voltage of about 2.5 V vs. Li/Li+ or greater.

Abstract: A rechargeable lithium-ion battery includes a positive electrode having a first capacity and a negative electrode having a second capacity that is less than the first capacity such that the battery has a negative-limited design. The negative electrode includes a lithium titanate active material. A liquid electrolyte that includes a lithium salt dissolved in at least one non-aqueous solvent a porous polymeric separator are located between the positive electrode and negative electrode. The separator is configured to allow lithium ions to flow through the separator.

Abstract: A rechargeable lithium-ion battery includes a positive electrode having a first capacity and a negative electrode having a second capacity that is less than the first capacity such that the battery has a negative-limited design. The negative electrode includes a lithium titanate active material. A liquid electrolyte that includes a lithium salt dissolved in at least one non-aqueous solvent a porous polymeric separator are located between the positive electrode and negative electrode. The separator is configured to allow lithium ions to flow through the separator.

Abstract: A rechargeable lithium-ion battery includes a positive electrode that includes a first current collector and a first active material. The battery also includes an electrolyte and a negative electrode that includes a second current collector and a second active material, where the second active material includes a lithium titanate material. The positive electrode has a first capacity and the negative electrode has a second capacity, the second capacity being less than the first capacity such that the rechargeable lithium-ion battery is negative-limited.

Abstract: A rechargeable lithium-ion battery includes a positive electrode and a negative electrode that includes a lithium titanate active material. A separator is provided between the positive electrode and the negative electrode. The battery also includes an electrolyte and an electrolyte additive comprising at least one boroxine ring.

Abstract: A method of producing Liy[NixCo1?2xMnx]O2 wherein 0.025?x?0.5 and 0.9?y?1.3. The method includes mixing [NixCo1?2xMnx]OH2 with LiOH or Li2CO3 and one or both of alkali metal fluorides and boron compounds, preferably one or both of LiF and B2O3. The mixture is heated sufficiently to obtain a composition of Liy[NixCo1?2xMnx]O2 sufficiently dense for use in a lithium-ion battery cathode. Compositions so densified exhibit a minimum reversible volumetric energy characterized by the formula [1833-333x] measured in Wh/L.

Abstract: Single-phase lithium-transition metal oxide compounds containing cobalt, manganese and nickel can be prepared by wet milling cobalt-, manganese-, nickel- and lithium-containing oxides or oxide precursors to form a finely-divided slurry containing well-distributed cobalt, manganese, nickel and lithium, and heating the slurry to provide a lithium-transition metal oxide compound containing cobalt, manganese and nickel and having a substantially single-phase O3 crystal structure. Wet milling provides significantly shorter milling times than dry milling and appears to promote formation of single-phase lithium-transition metal oxide compounds. The time savings in the wet milling step more than offsets the time that may be required to dry the slurry during the heating step.