127 results about "Separator (electricity)" patented technology

Disclosed in the present invention is an integrated reforming power generation test system having wide-range fuel adaptability, comprising a fuel supply subsystem, a catalytic reforming subsystem, a hydrogen purification subsystem, a power generation subsystem, and a test monitoring subsystem. A fuel pump and a fuel delivery pump are connected to a water-gas shift reactor by means of an evaporator and a reformer, the water-gas shift reactor is connected to a pressure swing adsorption device by means of a first gas-liquid separator, the pressure swing adsorption device is connected to a fuel cell stack by means of a hydrogen buffer tank, and a gas chromatograph is connected to the reformer by means of a third gas-liquid separator and to the water-gas shift reactor by means of a second gas-liquid separator. By using a variety of fuel resources to produce electricity, the present invention breaks through the limitation of the scope of traditional single-fuel reforming power generation systems, ensures the reliability of electricity supply, gets rid of the dependence on specific fuels, enhances regional energy safety, and improves the flexibility of energy supply.

This invention provides a fuel cell system that can estimate the nitrogen concentration of gases emitted from the fuel cell at low cost. [Solution] The fuel cell system 1 comprises a fuel cell 2 that generates electricity through an electrochemical reaction between hydrogen gas and oxygen gas and discharges hydrogen off gas containing unreacted hydrogen gas together with nitrogen gas and moisture; a hydrogen supply channel 40 that supplies hydrogen gas from a hydrogen tank 41 to the fuel cell 2; a recirculation channel 50 that recirculates the hydrogen off gas back into the hydrogen supply channel 40; a gas-liquid separator 51 that separates moisture from the hydrogen off gas to obtain dehumidified hydrogen gas and stores the separated moisture; an exhaust valve 54 that exhausts the dehumidified hydrogen gas from the recirculation channel 50; a pressure sensor 52 that detects the pressure in the recirculation channel 50; and a control device 6 that controls the exhaust valve 54. The control device 6 estimates the concentration of nitrogen gas contained in the dehumidified hydrogen gas based on the value detected by the pressure sensor 52, and controls the exhaust valve 54 to an open state when the concentration of nitrogen gas exceeds a predetermined value.

The invention discloses a biomass gas heat pump system and a control method thereof. According to the method, a generator set part and a heat pump unit part are included; the electricity output end of the generator set part is connected with the electricity input end of the heat pump set part; the generator set part comprises a generator set, a radiator, a stop valve, a cylinder sleeve water heat exchanger and a flue gas waste heat recoverer; the heat pump unit part comprises a compressor, an oil separator, a four-way valve, a condenser, an electronic expansion valve, an evaporator and a gas-liquid separator; the system has two operation modes, namely refrigeration operation and heating operation, and can recover engine flue gas waste heat and cylinder sleeve water waste heat during heating, so that the heating capacity is large, and the heating energy efficiency is high. During refrigeration, flue gas waste heat and cylinder sleeve water waste heat need to be discharged into air, and only the heat pump unit supplies cold. According to the system, biomass gas serves as driving energy to drive the generator to operate, energy distribution of the generator set and the heat pump is adjusted in good time by reasonably utilizing engine cylinder sleeve water waste heat and smoke waste heat, and the primary energy utilization rate of the whole machine is increased.

The invention discloses a new energy automobile power storage battery recycling and transferring mechanism, and relates to the technical field of battery recycling and transferring. Comprising a transfer piece, the transfer piece is provided with a spacing adjusting piece, and the spacing adjusting piece is slidably provided with two live detection pieces; the live detection piece is used for detecting the discharge degree, and the spacing adjustment piece is used for adapting to the electrode distance of the battery; a wind power isolation piece is mounted on the transfer piece; the wind power separator is used for cleaning interpolar moisture by wind power; a handheld safety piece is mounted on the transfer piece; an electricity storage stop piece is mounted in the transfer piece; the problems that according to an existing new energy automobile power storage battery recycling and transferring mechanism, it is not convenient to ensure electricity storage detection, and short-circuit detonation is likely to happen when batteries are directly recycled in a disordered mode are solved. And the live detection piece can be used for detecting the residual electric quantity, so that the safety of the structure during battery recovery can be improved, and direct and disordered battery recovery can be prevented.

This application relates to the field of battery technology, providing an electrode sheet and a battery cell. The electrode sheet includes a current collector and a tab. The current collector is the main component of the tab, and the tab is connected to the current collector. The tab can be connected to an external structure to conduct electricity. Both the tab and the current collector are thin sheet structures. When the electrode sheet passes through a conveyor roller and the moving direction of the electrode sheet switches between horizontal and vertical directions, the tab will bend along the arc-shaped surface of the conveyor roller. The tab separator groove can divide the tab into at least two parts, which can reduce the internal stress of the tab during bending deformation and prevent the tab from tearing when bending and deforming through the conveyor roller. This can result in a higher yield rate during the preparation of the electrode sheet of this application and reduce the preparation cost of the electrode sheet.

The invention relates to a waste lead storage battery low-carbon recovery system and a recovery process thereof. The system comprises a waste battery pretreatment unit, a crushing and sorting unit and a lead smelting unit. The waste battery pretreatment unit is provided with a waste battery storage chamber, a discharge chamber, a gas collection chamber and a to-be-crushed chamber which are communicated in sequence, and is used for waste battery storage, residual electricity electrolysis hydrogen production and temporary storage; the crushing and sorting unit comprises a multi-stage crusher, a screening machine, a sorting machine and a filter press, and is used for separating to obtain a lead grid, a lead alloy block, light plastic, heavy plastic and waste lead paste. The lead smelting unit comprises a gas-liquid separation tank, a gas mixing tank and a side-blown furnace, gas generated by electrolytic hydrogen production is purified and dried and then mixed with natural gas to form mixed gas, the mixed gas serves as fuel of the side-blown furnace, and the waste lead paste is subjected to reduction smelting in the side-blown furnace to obtain lead bullion. According to the system, by-products of hydrogen production through electrolysis of waste battery residual electricity serve as smelting fuel, low-carbon environment-friendly recycling treatment of the waste lead storage battery is achieved, and the resource utilization rate is increased.

The utility model discloses an environment-friendly multi-source micro-grid, which comprises a direct-current power supply system, an alternating-current power supply system and a master control power supply module, the alternating-current power supply system adopts mains supply and diesel generator power supply, the mains supply and a generator set are integrated on an alternating-current bus and are switched by an ATS (automatic transfer switch), and alternating current is directly supplied to an alternating-current load for use; the direct current power supply system comprises a photovoltaic power generation unit, a wind power generation unit and a fuel cell unit; and the fuel cell unit comprises an aluminum-air fuel cell, a hydrogen fuel cell, a gas-liquid separator and a water tank. According to the utility model, solar power generation, wind power generation and fuel cell power generation are arranged on the basis of commercial power supply and diesel generator power supply equipment, and the fuel cell power generation adopts an aluminum air cell and a hydrogen fuel cell to simultaneously generate power, so that when the fuel cell power generation is used, the products of the aluminum air cell and the hydrogen fuel cell can be secondarily utilized; and the influence on the environment is reduced while the power generation cost is greatly reduced.

To provide: a separator for an electricity storage device that can exhibit both a shutdown function and high-temperature puncture resistance, while ensuring electricity storage device safety, output and / or cycle stability; and a novel crosslinking method suitable for its production process, and an assembly kit or production method for the electricity storage device.SOLUTION: The present invention provides: a separator for an electricity storage device comprising a silane-modified polyolefin, where silane crosslinking reaction of the silane-modified polyolefin is initiated when it contacts an electrolyte solution; and a method for producing the separator.SELECTED DRAWING: Figure 1

The invention discloses a cogeneration system based on a CO2 working medium and an implementation method of the cogeneration system, and belongs to the field of geothermal energy development. The system comprises a deep well heat exchange module, a heat exchange heat supply unit, a transcritical CO2 low-temperature power generation module, a gas-liquid separator, a ground cooling part, a variable coupling power module, a micro-power circulation module and a control system. Heat of a deep geothermal well is absorbed by liquid-phase CO2 through the well bottom and then is fed to the well, heat exchange is conducted through the heat exchange heat supply unit, the heat enters the transcritical CO2 low-temperature power generation module and is converted into electric energy for power generation, the micro-power circulation module is pushed through the variable coupling power module, and the liquid-phase CO2 is pressurized and pumped into the well; according to the invention, the whole heat and power cogeneration system can stably operate for a long time under the unattended or few-person attended condition; the method is not only suitable for a single well mode, but also can be expanded to a twin-well or multi-well network structure. The invention is applied to medium and low temperature terrestrial heat or waste heat occasions, waste oil and gas well transformation power generation, intelligent microgrids, comprehensive energy bases and the like.

To provide a separator for a power storage device that has a crosslinked structure that provides excellent long-term stability within the power storage device and excellent heat resistance, and a method for manufacturing the separator.SOLUTION: A separator for a power storage device contains polyethylene (A) having a viscosity average molecular weight of 200,000 or more and 2,000,000 or less, polyethylene (B) having a carboxylic anhydride structure, and a crosslinking compound (C) having two or more functional groups of one or more types selected from hydroxy groups and amino groups, and has a crosslinked polyethylene porous layer having a gel fraction of 1% or more and 80% or less as measured in accordance with JIS-K6796.SELECTED DRAWING: None

The utility model relates to a diaphragm destaticizing mechanism in a lithium ion battery winding process, which comprises a grounding wire and a plurality of spray points, one end of the grounding wire is electrically connected with a high-voltage power supply, and the other end of the grounding wire is grounded; the plurality of spray points are respectively connected with the high-voltage power supply; the plurality of spray points are respectively arranged on the diaphragm roll and fully cover the diaphragm roll in the width direction and vertically point to the diaphragm roll; the diaphragm roll is wound on the diaphragm roller; the static electricity eliminating device has the advantages of being reasonable in structure, convenient to assemble, and capable of neutralizing and rapidly eliminating static electricity.

A system for generating electricity by pyrolyzing organic materials and feeding the pyrolysis fluid to a battery of fuel-cells. The system includes a pyrolysis reactor receiving organic materials and producing pyrolysis fluid. The fluid pyrolysis is then separated into a plurality of sub-mixtures, each provided via a respective separator output. A plurality of fuel-cell devices for generating electricity using different technologies are each coupled to a respective separator output. A controller controls the pyrolysis reactor, the separator device, and the plurality of fuel-cell devices according to a signal representing a demand for electric power, a signal representing cost of operating at least one of the pyrolysis reactor and the fuel-cell generator, and a signal representing minimum price of electric power.

The utility model belongs to the technical field of catalytic cracking oil slurry solid catalyst removal, and discloses electrostatic adsorption separation equipment which comprises a separator body, a raw material inlet, a purified raw material outlet, a high-voltage electricity inlet, a backwashing solvent outlet, a plurality of groups of backwashing solvent inlets and a hand hole, a transformer is also arranged at the top of the separator body close to the high-voltage lead-in port, and extends into the high-voltage lead-in port through a high-voltage flexible connector to be connected with the electrode; the electrode is hung on the electrode beam; a plurality of groups of filler supporting plates and backwashing devices are arranged in an array manner in the direction perpendicular to the length direction of the separator body; the backwashing device is connected with the backwashing solvent inlet; the electrode extends from the topmost filler support plate to the bottommost filler support plate. According to different heights and cleaning requirements of the electrostatic separator, the arrangement of the packed bed layers in the electrostatic separator is realized by adopting a mode of multiple layers of packing support plates and multiple layers of backwashing pipes, fluidization cleaning is realized, and the cleaning efficiency and effect are improved.

The embodiment of the invention provides a diaphragm and a preparation method thereof, a battery, a battery pack and electric equipment. At least part of the surface of the diaphragm is provided with a microstructure unit, and the microstructure unit comprises a groove structure unit or a convex structure unit; the diaphragm satisfies the following conditions: Ra is the arithmetic average roughness of the surface of the diaphragm, and the unit is [mu] m; rSm is the average width of the contour unit of the region in which the microstructure unit is arranged in the diaphragm, and the unit is metered by [mu] m; h is the thickness of the diaphragm, and the unit is micron; and the porosity of the diaphragm is calculated in%. The static electricity accumulation on the surface of the diaphragm is less, and the self-discharge rate of the battery can be reduced.

A natural gas processing system is mounted on a mobile platform that is transported to a natural gas source, such as a well. The system supplies natural gas to operate multi-fuel engines for wellfield equipment such as pumps, compressors, and drills. A liquid drain discharges contaminants. A water separator and a particulate filter remove particulate matter and liquid contaminant matter from the natural gas. A thermoelectric generator powered by the natural gas supplies process electricity. A process control monitors and controls the natural gas processing system, including pressure, temperature, moisture, and flow sensors. A gas chromatograph will determine the chemical composition of the natural gas. An emergency shutdown system will halt the process in the event of high liquid levels, a gas leak, fire, or gas composition out of specification, to include: H2S, H2O, Percent Mole Composition (BTU), Pressure, Temperature, and Flow Rate.

Provided is an electricity storage device in which the occurrence of metal deposition is suppressed. [Solution] The power storage device disclosed herein includes an electrode assembly group 20 including three or more electrode assemblies 20a, 20b, 20c arranged along an arrangement direction X. The electrode assemblies 20a, 20b, 20c are composed of a pair of end electrode assemblies 20a, 20c and an intermediate electrode assemblies 20b, each of which includes a first electrode, a second electrode, and a separator, and the first electrode and the separator are bonded together by a first adhesive layer. The adhesive strength between the first electrode and the separator of each of the pair of end electrode assemblies 20a, 20c is greater than that of the intermediate electrode assemblies 20b.

An electricity storage device includes: an electrode body including at least one positive electrode plate, at least one negative electrode plate, and a separator. an insulating holder that is formed by folding a sheet made of an insulating material and accommodates therein the electrode body; an outer case which has an opening and accommodates therein the electrode body with the insulating holder and an electrolyte; and a sealing plate. The outer case has a bottom plate part and a plurality of side walls standing from the bottom plate part, and the opening is formed in a position to face the bottom plate part. The insulating holder has a plurality of side surface parts respectively facing the plurality of side walls, and a bottom surface part that faces the bottom plate part. At least one of the side surface parts or the bottom surface part has a bellow-folded structure.

The utility model discloses a tool mold for manufacturing a partition plate capable of preventing floating powder of a traction battery from being connected with electricity. Belongs to the technical field of lead-acid storage batteries for traction. The utility model mainly solves the problem of battery failure caused by floating powder electricity connection of the existing traction battery separator. The device is mainly characterized by comprising a base plate, a front pressing device with a front fixed mold and a rear pressing device with a rear fixed mold and a rear movable mold, the front pressing device and the rear pressing device are arranged on the front side and the rear side of the base plate respectively. The lengths of the front fixed mold and the front movable mold are matched with the width of the partition plate, and comb teeth which are matched with the partition plate on the plate lug side to form a partial through groove are arranged on the front fixed mold and the front movable mold; the lengths of the rear fixed mold and the rear movable mold are matched with the width of the partition plate, and comb teeth which are matched with the partition plate on the treading angle side to form a partial through groove are arranged on the rear fixed mold and the rear movable mold. The utility model has the characteristics of simple structure, convenience in operation and good opening effect at the upper part and the bottom of the clapboard, and is mainly used for manufacturing the clapboard for preventing the traction battery from floating powder connection.

The application discloses a high-voltage sulfur hexafluoride circuit breaker driving structure, which comprises a body, three ceramic arc extinguishing chambers are fixedly connected to the upper end of the body, a distribution box is fixedly connected to the middle position of the bottom end of the body, mounting seats are bolt-connected to the inner bottom end of the ceramic arc extinguishing chambers, and separation guide rods are slidably connected to the inner bottom end of the mounting seats. In the application, the intelligent clutching of the energy storage motor driving and the transmission shaft is realized through the separator structure, the connection with the energy storage motor is automatically disconnected during the opening of the circuit, and the resistance problem caused by the reverse rotation of the motor rotor in the traditional structure is completely avoided, so that the opening speed and the action reliability are remarkably improved, the current can be rapidly cut off during the power grid failure, the energy storage motor has the automatic energy storage and the manual operation dual modes, the remote control and the on-site manual emergency operation can be realized, the applicability and the emergency processing capacity of the equipment under different working conditions are greatly improved, and the application is especially suitable for guaranteeing the system stability under the conditions of no electricity or failure.

A fuel cell system is provided that can estimate the nitrogen concentration of gases discharged from a fuel cell at low cost. The fuel cell system (1) includes: a fuel cell (2) that generates electricity through the electrochemical reaction of hydrogen and oxygen and discharges hydrogen exhaust gas containing nitrogen, moisture and unreacted hydrogen; a hydrogen supply path (40) that supplies hydrogen from a hydrogen tank (41) to the fuel cell; a return path (50) that returns the hydrogen exhaust gas to the hydrogen supply path; a gas-liquid separator (51) that separates moisture from the hydrogen exhaust gas to obtain dehumidified hydrogen and stores the separated moisture; an exhaust valve (54) that discharges the dehumidified hydrogen from the return path; a pressure sensor (52) that detects the pressure in the return path; and a control device (6) that controls the exhaust valve. The control device estimates the nitrogen concentration contained in the dehumidified hydrogen based on the detection value of the pressure sensor and controls the exhaust valve to be open when the nitrogen concentration is above a predetermined value.

A system for generating electricity by pyrolyzing organic materials and feeding the pyrolysis fluid to a battery of fuel-cells. The system includes a pyrolysis reactor receiving organic materials and producing pyrolysis fluid. The fluid pyrolysis is then separated into a plurality of sub-mixtures, each provided via a respective separator output. A plurality of fuel-cell devices for generating electricity using different technologies are each coupled to a respective separator output. A controller controls the pyrolysis reactor, the separator device, and the plurality of fuel-cell devices according to a signal representing a demand for electric power, a signal representing cost of operating at least one of the pyrolysis reactor and the fuel-cell generator, and a signal representing minimum price of electric power.

The utility model discloses a compression heat regeneration adsorption type drying machine which comprises a base, a first tower and a second tower are arranged on the upper side of the base, the first tower corresponds to the second tower, a first rear cooler and a second rear cooler are arranged on the upper side of the base, the first rear cooler corresponds to the first tower, and the second rear cooler corresponds to the second tower. A first gas-liquid separator and a second gas-liquid separator are arranged on the upper side of the base, the first gas-liquid separator corresponds to the first rear cooler, and a silencer is arranged on the upper side of the base corresponding to the second gas-liquid separator and the second rear cooler. According to the compression heat regeneration adsorption type drying machine, heat of high-temperature exhaust of the air compressor is fully utilized to heat and regenerate the adsorption drying agent, an electric heater of a micro-heat regeneration adsorption type drying machine is omitted, consumption of electric energy is reduced, and therefore the practicability of the adsorption type drying machine in the using process is improved.

The invention belongs to the technical field of natural gas dehydration, and discloses an energy-saving triethylene glycol dehydration system which is characterized in that raw material gas is introduced into an absorption tower to be dehydrated by a triethylene glycol barren solution, formed dry gas is introduced into a dry gas purification separator to be subjected to liquid separation, efficient dehydration is realized, formed product gas is divided into two streams, one stream of product gas is output after pressure reduction, and the other stream of product gas is output after pressure reduction; the other stream of product gas enters the expansion machine to do work and drives the power generator to generate power, external energy input is not needed, energy conservation and environmental protection are achieved, and the green and low-carbon requirements are met; a triethylene glycol rich solution formed in the absorption tower is sequentially introduced into a coil pipe at the top of the regeneration tower for heating, a flash evaporator for flash evaporation and a lean-rich solution heat exchanger for heat exchange with a hot triethylene glycol barren solution, distilled water in a rectifying column in the middle of the regeneration tower is regenerated into the hot triethylene glycol barren solution, and the hot triethylene glycol barren solution is introduced into the lean-rich solution heat exchanger for heat exchange with the triethylene glycol rich solution. The energy utilization rate is improved.

According to the power station oil cooling system and method adopting the lubricating oil and organic working medium mixture, the lubricating oil cooling system and the organic working medium low-temperature power circulating system are creatively integrated, and direct mixing and efficient separation of the two working media are achieved through the oil mixer and the oil separator; a traditional dividing wall type heat exchanger is replaced, the investment cost of heat exchange equipment is greatly reduced, low-temperature waste heat carried by lubricating oil is fully utilized, low-temperature power cycle power generation is driven, the lubricating oil cooling task is effectively completed, meanwhile, the low-temperature waste heat which is originally difficult to use is converted into electric energy, and energy is saved. The comprehensive improvement of the heat efficiency of the system and the cascade efficient utilization of energy are realized.

The invention relates to the technical field of sewage treatment, and discloses a microbial electricity generation and energy storage integrated buried sewage treatment device which comprises an oil separation tank, a septic tank, an anaerobic and aerobic zone and a settling zone which are arranged in sequence, the anaerobic and aerobic zone comprises a plurality of reactors which are sequentially communicated, sewage sequentially passes through an anode chamber and a cathode chamber of each reactor, the cathode chamber of the reactor located at the upstream is communicated with the anode chamber of the reactor located at the downstream, an anode plate attached with microorganisms is arranged in the anode chamber, and a cathode plate attached with microorganisms is arranged in the cathode chamber; and the anode plate and the cathode plate are electrically connected with the current collection and energy storage module. Through the current formed by the potential difference between the anode plate and the cathode plate, a part of electrons can be directly led out to the current collection and energy storage module for generating electricity, so that more substrates are used for generating energy, the residual sludge amount and the yield are reduced, the environmental protection principle of reduction is met, the environmental friendliness of the sewage treatment device is improved, and the sewage treatment efficiency is improved. The device is suitable for being used close to residential areas.

An electricity storage device (10) includes a first electrode (21) having a first current collector, a second electrode (22) having a second current collector, and a separator (23). The first electrode (21), the second electrode (22), and the separator (23) constitute a cylindrical winding body (20). The electricity storage device (10) further includes a cylindrical body (32, 61) covering an outer periphery of the cylindrical winding body (20) and having a first opening (31), a sealing body (40) sealing the first opening (31), and at least one first tab (21a) having one end connected to the first current collector and the other end connected to the sealing body (40). The sealing body (40) includes a first member (41) having a first surface (41a) facing a side opposite to the cylindrical winding body (20), and a second member (42) having a second surface (42a) facing the side of the cylindrical winding body (20). The other end of the first tab (21a) is welded to the first surface (41a) of the first member (41) to form a first welded portion (43), and the first welded portion (43) is located between the first surface (41a) and the second surface (42a). Thus, the internal resistance of the electricity storage device (10) can be reduced.

A system and method for installing an energy storage system, the energy storage system including an electrical load and a cement capacitor electrically connected to the electrical load. The cement capacitor includes a first cement electrode; a second cement electrode; and a separator between the first cement electrode and the second cement electrode, wherein the separator electrically insulates the first cement electrode from the second cement electrode. The cement capacitor is charged by passing electricity to the cement capacitor via the electrical load. The cement capacitor is discharged by passing electricity from the cement capacitor to the electrical load.

The invention relates to a coupling type carbon dioxide trapping system and method. The system comprises an absorption tower, a desorption tower, a rich amine solution buffer tank, a lean amine solution buffer tank, a gas-liquid separator, a reboiler, an electric heat pump heater, an electric heater, a lean and rich solution heat exchanger, a regenerated gas cooler, a lean solution cooler and an electric heat pump. The invention provides a novel carbon dioxide trapping system for realizing green electricity consumption by coupling a rich / lean amine solution buffer tank and an electric heat pump / electric heater. In the high electricity price period of the power grid load peak period, rich liquid is stored through the rich amine liquid buffer tank, the regeneration desorption and CO2 compression liquefaction process is not carried out, and the influence on unit output is avoided; in a low-electricity-price period of a power grid load trough period, renewable energy sources are used for abandoning electricity, an electric heat pump heater and an electric heater are used for heating and desorbing stored organic amine rich liquor, and regenerated barren liquor is stored in a barren amine liquor buffer tank at the same time so as to be used when a unit and a carbon capture island are in high loads.

It efficiently generates and outputs stable electricity from unstable electricity generated from natural energy sources, etc. [Solution] The energy storage element comprises a first electrode having a first polarity current collector 31 and an active material layer 32, a second electrode having a second polarity current collector 35 and an active material layer 34, a separator 33 sandwiched between the two electrodes, a first charging terminal 31' connected to the first polarity current collector 31, a second charging terminal 35' connected to the second polarity current collector 35, a third discharge terminal 31' connected to the first polarity current collector 31 and separated from the first terminal 31', and a fourth terminal connected to the second polarity current collector 35 and either identical to or separated from the second terminal 35', and the maximum current supplied by the power generation unit is I INMAX The rated input current of the storage battery is I BR The longer of the distance between the first terminal 31' and the second terminal 35' and the distance between the third terminal 31' and the fourth terminal is L. P-N The distance between the first terminal 31' and the third terminal 35' is L P-P When defined as such, it satisfies formula 1 in the specification.

The present invention provides a charging device and charging method that can store a larger capacitance using soil particles. [Solution] The charging device comprises a capacitor having a conductive part in which an electrically conductive material is mixed with soil particles containing ions, a positive electrode provided in the conductive part, a negative electrode provided in the conductive part, and a separator provided in the conductive part to insulate the positive electrode from the negative electrode, a charging device that charges the capacitor with electricity generated by a power generation device provided in a body of water, and a maintenance device that performs maintenance on the capacitor using water from the body of water.