Abstract:
An energy storage device such as an electric double layer capacitor has positive and negative electrodes, each including a blend of respective first and second activated carbon materials having distinct pore size distributions. The blend (mixture) of first and second activated carbon materials may be equal in each electrode.
Abstract:
The disclosure relates, in various embodiments, to methods for forming activated carbon comprising (a) providing a feedstock mixture comprising a carbon feedstock, at least one activating agent chosen from alkali metal hydroxides, and at least one additive chosen from fats, oils, fatty acids, fatty acid esters, and polyhydroxylated compounds to form a feedstock mixture; (b) optionally heating the feedstock mixture to a first temperature, and when a step of heating the feedstock mixture to a first temperature is performed, optionally holding the feedstock mixture at the first temperature for a time sufficient to react the at least one activating agent with the at least one additive; (c) optionally milling and/or grinding the feedstock mixture; (d) heating the feedstock mixture to an activation temperature; and (e) holding the feedstock mixture at the activation temperature for a time sufficient to form activated carbon.
Abstract:
An electric double layer capacitor electrode, including: an activated carbon having: a pore volume utilization efficiency (PVUE) of from about 200 to 290 F/cm3, wherein PVUE is the ratio of the activated carbon gravimetric capacitance (F/g) to the pore volume (cm3/g) of the activated carbon; a low non-linearity value of from 0.1 to 5%; and a total pore volume of from 0.32 to 0.56 cm3/g. Also disclosed is a method of making an electric double layer capacitor electrode, and a method of characterizing the performance of activated carbon, and the electrode, in an electric double layer capacitor (EDLC) device, as defined, herein.
Abstract:
Carbon particles are exposed to an activating gas to form activated carbon. The morphology of the carbon particles is controlled prior to activation. Efficient activation can be achieved by minimizing the elongation and maximizing the circularity of the carbon particles.
Abstract:
A separator such as for an electrochemical double layer capacitor includes acicular inorganic particles that are dried to form a porous membrane. Example inorganic particles are calcium silicate particles. A deposition method implementing slurry that includes the acicular inorganic particles and a dispersing medium along with a binder material can be used to form the separator layer directly on electrode materials.
Abstract:
Embodiments of a curved vehicle display including a display module having a display surface, a curved glass substrate disposed on the display surface having a first major surface, a second major surface having a second surface area, and a thickness in a range from 0.05 mm to 2 mm, wherein the second major surface comprises a first radius of curvature of 200 mm or greater, wherein, when the display module emits a light, the light transmitted through the glass substrate has a substantially uniform color along 75% or more of the second surface area, when viewed at a viewing angle at a distance of 0.5 meters from the second surface. Methods of forming a curved vehicle display are also disclosed.
Abstract:
Embodiments of a vehicle interior system are disclosed. In one or more embodiments, the system includes a base with a curved surface, a cold-formed glass substrate with a thickness of 1.5 mm or less and a first radius of curvature of 500 mm or greater, and an adhesive between the curved surface and the glass substrate. Methods for forming such systems are also disclosed. The systems and methods include components and/or design modifications or methods for reducing stress in the adhesive.
Abstract:
Embodiments of a vehicle interior system and methods for forming the same are disclosed. A glass substrate is bent to a curved shape within a mold cavity, and a liquid polymer material is delivered to the mold and is in contact with the curved glass substrate. The liquid polymer is solidified to form a polymer frame that engages the bent glass substrate, and the engagement between the frame and the glass substrate holds the glass substrate in the bent shape. The temperature of the glass substrate during the bending process and formation of the frame are maintained below the glass transition temperature of the glass substrate.
Abstract:
Embodiments of an article comprising a cold-formed glass substrate in a curved shape, a plurality of separate mechanical retainers, and a frame are disclosed. The cold-formed glass substrate has a first major surface, and a second major surface opposing the first major surface. In one more embodiments, the plurality of separate mechanical retainers are attached to the second major surface of the cold-formed glass substrate. The mechanical retainers may be attached to the frame to define a position for each of the plurality of mechanical retainers, such that the mechanical retainers define the curved shape. Embodiments of processes to form such articles are also provided. Such processes can include attaching a plurality of separate mechanical retainers to a flexible glass substrate such that the glass substrate maintains its flexibility, and attaching the mechanical retainers to a frame, such that the mechanical retainers attached to the frame define a cold-formed curved shape for the flexible glass substrate.
Abstract:
Disclosed herein are embodiments of a method of forming a curved glass article. In the method, a first adhesive is applied to a first region of a frame or of a glass cover sheet. The frame includes a curved surface. A second adhesive is applied to a second region of the frame or of the glass cover sheet. The glass cover sheet is molded to the frame so as to conform the glass cover sheet to the curved surface of the frame. The first adhesive is cured at a first temperature for a first time period, and the second adhesive is cured at a second temperature for a second period of time. The second temperature is lower than the first temperature, and the second period of time is longer than the first period of time. Also disclosed herein are embodiments of a curved glass article.