An electrolysis cell includes an anode that has a low-density region formed from activated carbon and a high-density region formed from a plurality of graphite cylinders. There is a porous barrier that allows transport of water between the anode and a corrosion resistant cathode.

A multi-source power generation system to generate electricity by utilizing a combination of renewable energy sources such as wind, solar and wave energy is disclosed. The power generating system comprises a frame including a float body and a cylindrical body integral to the float body is submerged below the surface of sea water. A solar power generator comprising solar panel is mounted above the float portion, which is configured to receive the solar power energy and produce electrical potential. A wave energy generator is disposed inside the cylindrical body to harness wave energy from wave motion. A wind turbine disposed on the float body, which is configured to harness wind energy from wind. The cylindrical body comprises a cylindrical compartment including a cylindrical magnet which is configured to move in and out of a coil to generate electrical energy.

Systems and methods for monitoring the performance of reciprocating compressors are disclosed. The monitoring system includes inductive power generation at individual cylinders of the compressor, alleviating the need to run power supply and conduits to each of the cylinders. The inductive system also allows piston position to be determined at each cylinder. Data acquired at each cylinder can be telemetered to a central hub for processing.

A power generation assembly for use in generating electrical power from air or water currents includes a rail system including at least one rail and a vane assembly, drivable by the air or water currents. A car assembly is slidably mounted to the rail and coupled to the vane assembly: wherein movement of vanes of the vane assembly generates linear movement of the car assembly. An electrical energy generating system includes two or more independent sets of stator windings carried by the rail system, and a piston, carried by the car assembly, wherein linear movement of the piston relative to the stator windings generates electrical energy. A switching system is operable to controllably and individually activate each of the two or more independent sets of stator windings.

The disclosure relates generally to a wave energy harvester, comprising: a housing locatable aboard a floating platform: an armature coil fixedly mounted to the housing, the armature coil having a magnet associated therewith; and a body travelable along a track located within an interior of the housing, the body being coupled to the magnet; wherein, in use, wave-induced periodic motion of the floating platform results in reciprocating travel of the body along the track, with the travel of the body driving movement of the magnet with respect to the armature coil to thereby generate electricity.

Disclosed herein is an array including at least ten wave power converters and at least one marine substation, each wave energy converter including a floating body, a wire, a housing anchored in a seabed or lakebed, the housing including a stator and a seesawing translator. The seesawing translator is connected via the wire to the floating body and each of the at least ten wave power converters is electrically connected to the marine substation. The at least ten wave energy converters are arranged on a symmetric, open, concave line, where a symmetry axis is at least more or less parallel to a primary wave direction and where the marine substation is arranged on the symmetry axis.

A power generation assembly for use in generating electrical power from air or water currents includes a rail system including at least one rail and a vane assembly, drivable by the air or water currents. A car assembly is slidably mounted to the rail and coupled to the vane assembly: wherein movement of vanes of the vane assembly generates linear movement of the car assembly. An electrical energy generating system includes two or more independent sets of stator windings carried by the rail system, and a piston, carried by the car assembly, wherein linear movement of the piston relative to the stator windings generates electrical energy. A switching system is operable to controllably and individually activate each of the two or more independent sets of stator windings.

The invention introduces a wave energy conversion system that utilizes the kinetic energy of water body waves, transforming it into usable energy. The system is innovatively designed with two buoyant bodies that, through their multi-dimensional non-parallel arrangement, form a recess optimized for capturing wave energy from. One of the system's distinctive features is its capacity to passively modify the relative orientation of the buoyant bodies, to become more parallel, in response to large wave forces, which serves to maintain stability under varying sea conditions. Concurrently, the system boasts advancements in the realm of installation and maintenance, presenting a streamlined approach that significantly alleviates the challenges traditionally associated with deploying and upkeeping marine energy converters. These aspects together underscore the system's novel contributions to enhancing the operational efficiency and sustainability of wave energy conversion technology.

A power generator comprises a casing (110) that in use is deployed in an environment in which the casing is subjected to an excitation motion such as wave motion. A series of masses (101, 103a-c) is located within the casing, wherein at least a first mass is coupled to the casing by a first spring (102), each of the masses is coupled to at least one adjacent mass by a respective spring, and wherein the casing and the series of masses bring a motion of the power generator into resonance with the excitation motion. A plurality of electric machines each comprising a stator and a field source are each associated with a corresponding mass such that a relative motion of a mass and associated electric machine generates electrical power. A power takeoff circuit receives generated electrical power from the plurality of electric machines and outputs electrical power from the power generator.

A wave power generator comprises a buoyant casing (500) intended to float in a body of water. An electric machine (103) located within the casing has an armature and a field source, the electric machine having a fixed part coupled to the casing and a moving part. A counterweight assembly (104) is movable within the casing, comprising the moving part of the electric machine and wherein a relative movement of the counterweight assembly and the fixed part of the electric machine generates electric power. Power storage (400) stores power generated by the electric machine and a control system (200) determines a bi-directional energy flow between the power storage and the armature, wherein energy is returned to the electric machine to drive a motion of the counterweight assembly anti-symmetrically to a motion of the casing.