Matsushita Electric Industrial Co., Ltd.

Panasonic Corporation

Panasonic Intellectual Property Management Co., Ltd.

Panasonic Holdings Corporation

Tayca Corporation

Motohiro Suzuki

Hironobu Machida

Shinsuke Takeguchi

Kentaro Shii

Tetsuo Terashima

Tatsuo Fujita

Akira Maenishi

Yoshitaka Kawasaki

Jiro Suzuki

Masato Hosaka

Takashi Kubo

Kunihiro Ukai

Tatsuya Nakamura

Hironori Tomita

Kiyoshi Taguchi

Osao Kido

Yuji Mukai

Tomonori Asou

Kazuaki Suito

Izumi Hirasawa

Yoshio Tamura

Yukio Watanabe

Yohei Uchiyama

Naoyuki Tani

Masaaki Nagai

Yoshiaki Kurosawa

Atsunori Hashimoto

Satoru Morimoto

Shigehiko Fujita

Narito Yamaguchi

Toshiaki Ando

Mitsutomo Tsuhako

Kazuo Kamiya

Yukio Nagai

Masaki Kobayashi

So Morioka

Hiromu Saito

Tsubasa Hosoi

Akira Yanagida

Kazuhiko Machida

Ken-Ichi Morita

Hirofumi Nishida

Yuri Mukai

A cold storage material of the present disclosure includes: tetrahydrofuran; water; and at least one silver compound selected from the group consisting of silver phosphate represented by a chemical formula AgPO, silver carbonate represented by a chemical formula AgCO, and a silver oxide represented by a chemical formula AgO. This cold storage material has a melting point of 2 degrees Celsius or higher and 8 degrees Celsius or lower and a crystallization temperature of 0 degrees Celsius or higher and lower than the melting point.

Cold storage material and cooler box

Provided is a heat storage device () of the present disclosure comprises a heat storage material () containing sodium acetate trihydrate; a first electrode having a surface which is in contact with the heat storage material and formed of at least one selected from the group consisting of silver, a silver alloy, and a silver compound; a second electrode in contact with the heat storage material; an inorganic porous material contained in the heat storage material; and a power supply () for applying a voltage to the first electrode and the second electrode. The inorganic porous material has an average pore diameter of not more than 50 nanometers. The present invention provides a heat storage device capable of releasing heat by releasing a supercooled state by voltage application. The heat storage device can be used repeatedly.

Heat storage device

Provided is a cold storage medium according to the present invention contains tetra-n-butylammonium ions, silver ions, at least one kind of halide ions selected from the group consisting of fluoride ions, chloride ions, and bromide ions, water, and at least one kind of carboxylic acid ions each represented by the following chemical formula R&#x2014;COO(where R represents a hydrocarbon group).

Cold storage medium

A heat storage apparatus according to the present disclosure includes a heat storage material and a member. The heat storage material forms a clathrate hydrate by cooling. The member has a surface with a plurality of holes. In the case that the lattice constant of the clathrate hydrate is denoted by L and the outside diameter of a cage included in the clathrate hydrate is denoted by D, the plurality of holes are spaced at intervals of 1L to 10L, and each of the plurality of holes has a hole diameter of 1D to 20D.

Heat storage apparatus, method for storing heat, and method for producing heat storage apparatus

The heat storage apparatus of the present disclosure includes a casing, a heat storage material that is located in the casing, a stirrer that is located in the casing, that is in contact with the heat storage material, and that rotates to stir the heat storage material, and a projection that is in contact with the heat storage material, that projects from the stirrer, and that rotates with rotation of the stirrer. The projection is continuously in contact with an inner face of the casing while the stirrer rotates.

Heat storage apparatus

A heat storage device () of the present disclosure includes: a heat storage container () having an inlet () and an outlet () for a heat medium; a plate-like heat storage body () disposed in the heat storage container () and having a heat storage material () and an envelope () containing the heat storage material (); a plate-like spacer () placed on the heat storage body () in the heat storage container () and having a plurality of contact portions () that are in contact with the heat storage body () and a plurality of non-contact portions () that are spaced from the heat storage body (), the contact portions () and the non-contact portions () being alternately formed in a specific direction; and a plurality of flow paths () for leading the heat medium from the inlet () to the outlet (), the flow paths being formed by a surface of the heat storage body () and the non-contact portions () and extending in a direction intersecting the specific direction. Thereby, the heat transfer characteristics between the heat storage material and the heat medium are good.

A heat storage apparatus according to the present disclosure includes a casing, a heat storage material, and movable components. An internal space in the casing is partitioned into a plurality of spaces. The heat storage material is located in each of the plurality of spaces. At least one movable component is disposed in contact with the heat storage material in each of the plurality of spaces, and is capable of changing a position thereof relative to a position of the casing as time proceeds.

Heat storage apparatus and method of completing crystallization of heat storage material

Provided is a latent heat cold storage material containing: water; a crystalline powder; and at least one inorganic salt. The crystalline powder is formed of a compound having a saturated concentration of less than 7.0 wt % to an aqueous solution of the inorganic salt having a concentration of 25 wt % at 25&#xb0; C. A concentration of the crystalline powder exceeds a saturated concentration of the crystalline powder to the aqueous solution of the inorganic salt at 25&#xb0; C.

Latent heat cold storage material

A heat storage material composition contains a sugar alcohol and a stabilizer that allows the sugar alcohol to maintain a liquid state and a supercooled state. The stabilizer is one selected from (i) a salt that has a solubility of 9 g or more in 100 mL of 20&#xb0; C. water and gives a monovalent anion, (ii) a polymer prepared by using the salt as a monomer, and (iii) a polymer having a molecular weight of 7,000 or more and 4,000,000 or less prepared by using, as a monomer, an alcohol having a solubility of 9 g or more in 100 mL of 20&#xb0; C. water.

Heat storage material composition, heat storage device, and heat storage method

A heat storage material composition contains sodium acetate, water, and an organic compound comprising a hydrophobic group and a hydrophilic group. A weight ratio R (sodium acetate/water) of the sodium acetate to the water is 57/43 or less. A concentration Ws of the sodium acetate in three components of the sodium acetate, the water, and the organic compound comprising a hydrophobic group and a hydrophilic group is 52% by weight or more. A concentration Wa of the organic compound comprising a hydrophobic group and a hydrophilic group in the three components is 1% by weight or more.

Heat storage material composition and method for using heat storage material composition

A latent heat storage material contains sodium acetate, water, and a supercooling stabilizer containing a group 11 metal-containing compound, and has a group 11 metal concentration of 2.0&#xd7;10ppm or less.

Latent heat storage material

A polypropylene molded article has a crystallinity degree of 48% or more by wide-angle X-ray diffraction measurement. The half width of an orientation peak in an azimuth angular distribution obtained by wide-angle X-ray diffraction measurement on the polypropylene molded article is 5.5&#xb0; or less, and the long period of the polypropylene molded article obtained by small-angle X-ray scattering measurement is 12 nm or more and 16 nm or less.

Polypropylene molded article and method for manufacturing the same

A body of a hydrogen generator includes a reformer configured to generate a reformed gas mainly containing hydrogen, a material passage configured to supply a reforming material, which is a material for a reforming reaction, to the reformer, a shifter configured to convert CO contained in a reformed gas obtained from the reformer into CO2, a reformed gas passage configured to supply the reformed gas obtained from the reformer to the shifter, and a passage for the shifted gas obtained from the shifter. The shifted gas passage and the material passage are adjacent to each other with a shared horizontal wall interposed therebetween, and thereby, heat from the shifted gas and radiant heat from the downstream end face of the shifter are transferred to the reforming material that travels in the material passage.

Hydrogen generator and fuel cell power generation system

A hydrogen generator comprises therein a reformer, a Shifter, a material flow passage with first evaporator through which a material is supplied to the reformer, a reformed gas flow passage for leading the reformed gas derived from the reformer to the Shifter, a shifted gas flow passage through which a shifted gas derived from the Shifter is taken out, and second steam flow passage formed adjacent to the reformed gas flow passage to be located at upstream side of the Shifter. The second evaporator is provided within the second steam flow passage. A part of heat of the reformed gas is recovered as latent heat by the second evaporator. Thereby, temperature of the Shifter is controlled.

Growing community of inventors

Osaka, Japan

Motohiro Suzuki