A system that includes an energy device having an active region configured to generate or consume electrical energy provided by an electrical current is discussed. A current limiter is disposed between the energy device and a current collector layer. The current limiter controls the current flow between the energy device and the current collector layer. A plurality of electrochemical transistors (ECTs) are arranged in an array such that each ECT in the array provides localized current control for the energy device. Each ECT includes a gate electrode, a drain electrode, a source electrode, and a channel disposed between the drain and the source electrodes. An electrolyte electrically couples the gate electrode to the channel such that an electrical signal at the gate electrode controls electrical conductivity of the channel. The current collector layer is a shared drain or source electrode for the ECTs.

A power circuitry has a first input circuit for coupling to a first energy source, a second input circuit for coupling to a second energy source, a third circuit coupled to the first and second input circuits for combining outputs of the first and second circuits and outputting electrical energy via a direct-current output thereof, and a control circuit coupled to the first, second, and third circuits for controlling the output of the third circuit by controlling parameters of the first, second, and third circuits based on output voltages of the first and second energy sources, outputs of the first and second input circuits coupling to the third circuits, and an output voltage of the third circuit.

The present invention discloses a flexible sensor detection system for medical care and health, including: an information collection module, which uses a wearable device as a carrier, where flexible sensors are respectively arranged on the wearable device; an information transmission module, configured to wirelessly transmit collected information to an information processing and feedback module; and the information processing and feedback module, configured to perform grading treatment on received data information and feed back a health condition corresponding to the data information to the information transmission module, where the information transmission module compares feedback health condition data with a preset health threshold to determine whether to give an alarm. A heart rate ECG band, a breathing band, a shell temperature band, a blood flow rate band, a blood glucose band, a blood oxygen band, and a deep temperature band of the present invention are provided with the built-in flexible sensors.

A power supply including a luminescent solar concentrator (LSC) adapted for placement in an eye includes a base material transparent to visible light; and fluorescent particles doped within the base material. The fluorescent particles are capable of absorbing and reemitting light in the ultraviolet spectrum. A concentration of the fluorescent particles as a function of radius from an optical axis of the LSC is reduced in at least a portion of the base material outside of a pupil diameter. At least one photovoltaic cell is configured to receive the light in the ultraviolet spectrum trapped within the base material and to convert the trapped light into electricity.

Aspects relate to an integrated system that is electrically powered. The integrated system includes a circuit board and a photovoltaic device. The circuit board includes one or more on-board electronic components and an upper surface configured as a substrate. The photovoltaic device is integrally deposited on the upper surface of the circuit board and electrically connected to the one or more on-board electronic components, wherein the upper surface of the circuit board is a photovoltaic device substrate.

An integrated thin-film lateral multi-junction solar device and fabrication method are provided. The device includes, for instance, a substrate, and a plurality of stacks extending vertically from the substrate. Each stack may include layers, and be electrically isolated against another stack. Each stack may also include an energy storage device above the substrate, a solar cell above the energy storage device, a transparent medium above the solar cell, and a micro-optic layer of spectrally dispersive and concentrating optical devices above the transparent medium. Furthermore, the device may include a first power converter connected between the energy storage device and a power bus, and a second power converter connected between the solar cell and the power bus. Further, different solar cells of different stacks may have different absorption characteristics.

A battery back passivation structure, a manufacturing method therefor, and a solar cell, the manufacturing method comprising: introducing a dopant gas and a first reaction gas into a coating device, and depositing a doped passivation layer on the back side of a silicon wafer (1); and introducing a second reaction gas into the coating device, and directly or indirectly depositing an internal reflection layer on the surface of the doped passivation layer away from the silicon wafer (1). The described battery back passivation structure comprises a doped passivation layer and an internal reflection layer that are stacked on the back side of the silicon wafer (1), and has enhanced passivation capability.

A battery back passivation structure, a manufacturing method therefor, and a solar cell, the manufacturing method comprising: introducing a dopant gas and a first reaction gas into a coating device, and depositing a doped passivation layer on the back side of a silicon wafer (1); and introducing a second reaction gas into the coating device, and directly or indirectly depositing an internal reflection layer on the surface of the doped passivation layer away from the silicon wafer (1). The described battery back passivation structure comprises a doped passivation layer and an internal reflection layer that are stacked on the back side of the silicon wafer (1), and has enhanced passivation capability.

Energy storage device comprising multiple solid state dielectric layers that can be used for high density electrical energy storage.

Energy storage device comprising multiple solid state dielectric layers that can be used for high density electrical energy storage.