摘要:
A microcomponent including: an electrochemical storage source; a first substrate including a first contact face; a second substrate including a second contact face; “at least one internal cavity formed from a first cavity recessed into the first contact face of the first substrate, or from a second cavity recessed into the second contact face of the second substrate, or from the first cavity recessed into the first contact face of the first substrate and the second cavity recessed into the second contact face of the second substrate, wherein the two substrates are integrated together via their respective contact faces and a sealing member, and said internal cavity contains the electrochemical storage source; and electrical connections between the electrochemical storage source and an external environment.
摘要:
The invention relates to a microcomponent including an electrochemical storage source. It includes a first substrate (1) having a contact face (3) and a second substrate (10) having a contact face (13), at least one cavity (5) being formed in at least one of the substrates from the contact face, the two substrates (1, 10) being integrated with said contact faces by sealing means (18), wherein said cavity, thus sealed, contains the electrochemical storage source, and the microcomponent provides the electrical connections between the electrochemical storage source and the external environment.
摘要:
In order to increase the capacity of an “all-solid” type micro-battery, the layer of electrolyte is structured: transversing cavities are created in the flat layer, advantageously at the level of patches of collector material, then filled by anode or cathode material.
摘要:
During the production of a lithium microbattery, the electrolyte containing a lithiated compound is formed by successively depositing an electrolytic thin film, a first protective thin film that is chemically inert in relation to the lithium, and a first masking thin film on a substrate provided with current collectors and a cathode. A photolithography step is carried out on the first masking thin film in order to create a mask for selectively etching the first masking thin layer, and the first protective thin layer and the electrolytic thin film are then selectively etched in such a way as to form the electrolyte in the electrolytic thin film. This technique enables the electrolyte to be formed by photolithography and etching without causing any damage thereto.
摘要:
Method for producing a nanostructure based on interconnected nanowires, nanostructure and use as thermoelectric converter The nanostructure comprises two arrays of nanowires made from respectively n-doped and p-doped semi-conducting material. The nanowires of the first array, for example of n type, are formed for example by VLS growth. A droplet of electrically conducting material that acted as catalyst during the growth step remains on the tip of each nanowire of the first array at the end of growth. A nanowire of the second array is then formed around each nanowire of the first array by covering a layer of electrically insulating material formed around each nanowire of the first array, and the associated droplet, with a layer of p-type semi-conducting material. A droplet thus automatically connects a nanowire of the first array with a single coaxial nanowire of the second array. This type of nanostructure can be used in particular to form a thermoelectric converter.
摘要:
A lithium microbattery comprises a substrate on which at least one stack is arranged successively comprising a cathode, an electrolyte containing lithium and an anode consisting of metallic lithium. A protective envelope comprising at least first and second distinct superposed layers covers the stack to protect the same against external contamination. The first layer, deposited on the whole of the anode, comprises at least one material that is chemically inert with regard to lithium, selected from the group consisting of a hydrogenated amorphous silicon carbide, a hydrogenated amorphous silicon oxycarbide, hydrogenated amorphous carbon, fluorinated amorphous carbon and hydrogenated amorphous silicon. The second layer comprises a material selected from the group consisting of a hydrogenated amorphous silicon carbonitride, a hydrogenated amorphous silicon nitride and a fluorinated amorphous carbon.
摘要:
Method for producing a nanostructure based on interconnected nanowires, nanostructure and use as thermoelectric converter The nanostructure comprises two arrays of nanowires made from respectively n-doped and p-doped semi-conducting material. The nanowires of the first array, for example of n type, are formed for example by VLS growth. A droplet of electrically conducting material that acted as catalyst during the growth step remains on the tip of each nanowire of the first array at the end of growth. A nanowire of the second array is then formed around each nanowire of the first array by covering a layer of electrically insulating material formed around each nanowire of the first array, and the associated droplet, with a layer of p-type semi-conducting material. A droplet thus automatically connects a nanowire of the first array with a single coaxial nanowire of the second array. This type of nanostructure can be used in particular to form a thermoelectric converter.
摘要:
During the production of a lithium microbattery, the electrolyte containing a lithiated compound is formed by successively depositing an electrolytic thin film, a first protective thin film that is chemically inert in relation to the lithium, and a first masking thin film on a substrate provided with current collectors and a cathode. A photolithography step is carried out on the first masking thin film in order to create a mask for selectively etching the first masking thin layer, and the first protective thin layer and the electrolytic thin film are then selectively etched in such a way as to form the electrolyte in the electrolytic thin film. This technique enables the electrolyte to be formed by photolithography and etching without causing any damage thereto.
摘要:
A micro fuel cell comprises at least a substrate provided with front and rear faces. The front face of the substrate supports a successive stacking of a first electrode, a substantially flat electrolytic membrane and a second electrode. The electrolytic membrane comprises at least one anchoring element salient substantially perpendicularly to a main plane of said membrane. The anchoring element is arranged in a complementary part of an anchoring recess formed in the substrate. The substrate can also comprise a plurality of microchannels, substantially perpendicular to the main plane of the membrane. The anchoring recess can then be formed by one of the microchannels whereas the other microchannels enable supply of the first electrode with reactive fluid. Such a micro fuel cell is able to operate when a pressure difference exists between the two sides of the stacking.
摘要:
A micro fuel cell comprises at least a substrate provided with front and rear faces. The front face of the substrate supports a successive stacking of a first electrode, a substantially flat electrolytic membrane and a second electrode. The electrolytic membrane comprises at least one anchoring element salient substantially perpendicularly to a main plane of said membrane. The anchoring element is arranged in a complementary part of an anchoring recess formed in the substrate. The substrate can also comprise a plurality of microchannels, substantially perpendicular to the main plane of the membrane. The anchoring recess can then be formed by one of the microchannels whereas the other microchannels enable supply of the first electrode with reactive fluid. Such a micro fuel cell is able to operate when a pressure difference exists between the two sides of the stacking.