A topological quantum framework includes a plurality of one-dimensional nanostructures disposed in different directions and connected to each other, wherein a one-dimensional nanostructure of the plurality of one-dimensional nanostructures includes a first composition including a metal capable of incorporating and deincorporating lithium, and wherein the topological quantum framework is porous.

The present application describes the use of a solid electrolyte interphase (SEI) fluorinating precursor and/or an SEI fluorinating compound to coat an electrode material and create an artificial SEI layer. These modifications may increase surface passivation of the electrodes, SEI robustness, and structural stability of the silicon-containing electrodes.

In some example embodiments, there is provided example embodiments related to providing a more uniform lithium deposition based on pulsing. In some example embodiments, there is provided a method including: generating a first energy pulse followed by a second energy pulse; and applying the first energy pulse and the second energy pulse to a lithium metal electrode to electrically treat the lithium metal electrode to reduce and/or eliminate growth of dendrites on at least a portion of a surface of the lithium metal. Related systems, methods, and articles of manufacture are also disclosed.

The present application describes the use of a solid electrolyte interphase (SEI) fluorinating precursor and/or an SEI fluorinating compound to coat an electrode material and create an artificial SEI layer. These modifications may increase surface passivation of the electrodes, SEI robustness, and structural stability of the silicon-containing electrodes.

A method for manufacturing a negative electrode, the method including immersing a preliminary negative electrode in a pre-lithiation solution, the pre-lithiation solution including a lithium organic compound and a pre-lithiation solvent, taking the preliminary negative electrode out of the pre-lithiation solution and then removing pre-lithiation solvent present in the preliminary negative electrode, wherein the preliminary negative electrode includes a current collector and a preliminary negative electrode active material layer on the current collector, the preliminary negative electrode active material layer includes a negative electrode active material, and a standard reduction potential of the lithium organic compound is lower than a standard reduction potential of the negative electrode active material.

The present application describes the use of a solid electrolyte interphase (SEI) fluorinating precursor and/or an SEI fluorinating compound to coat an electrode material and create an artificial SEI layer. These modifications may increase surface passivation of the electrodes, SEI robustness, and structural stability of the silicon-containing electrodes.

The present invention relates to a method for manufacturing a silicon-based negative electrode, a method for manufacturing a lithium-ion battery from a preformed silicon-based negative electrode, and a lithium-ion battery thus obtained.

Disclosed is a method for activating a surface of metals, such as self-passivated metals, and of metal-oxide dissolution, effected using a fluoroanion-containing composition. Also disclosed is an electrochemical cell utilizing an aluminum-containing anode material and a fluoroanion-containing electrolyte, characterized by high efficiency, low corrosion, and optionally mechanical or electrochemical rechargeability. Also disclosed is a process for fusing (welding, soldering etc.) a self-passivated metal at relatively low temperature and ambient atmosphere, and a method for electrodepositing a metal on a self-passivated metal using metal-oxide source.

A method for producing a lithium-sulfur battery with an improved lifetime. This method includes an activation step of forming a positive electrode active material-derived compound from a compound including elemental sulfur by charging and discharging the lithium-sulfur battery, where the battery includes the compound including elemental sulfur and an electrolyte liquid. Additionally, the positive electrode active material-derived compound has a solubility of 1% by weight or greater in the electrolyte liquid. The lithium-sulfur battery may be charged and discharged in a range of greater than 2.0 V and less than 2.4 V in the activation step. Further, the lithium-sulfur battery may be charged and discharged 3 times to 10 times in the activation step. This method avoids a complicated application process of and active material in preparing a lithium-sulfur battery.

An energy storage device, such as a silver oxide battery, can include a silver-containing cathode and an electrolyte having an ionic liquid. An anion of the ionic liquid is selected from the group consisting of: methanesulfonate, methylsulfate, acetate, and fluoroacetate. A cation of the ionic liquid can be selected from the group consisting of: imidazolium, pyridinium, ammonium, piperidinium, pyrrolidinium, sulfonium, and phosphonium. The energy storage device may include a printed or non-printed separator. The printed separator can include a gel including dissolved cellulose powder and the electrolyte. The non-printed separator can include a gel including at least partially dissolved regenerate cellulose and the electrolyte. An energy storage device fabrication process can include applying a plasma treatment to a surface of each of a cathode, anode, separator, and current collectors. The plasma treatment process can improve wettability, adhesion, electron and/or ionic transport across the treated surface.