50 results about "Iron pyrophosphate" patented technology

A composition comprising iron pyrophosphate and copper citrate does not exhibit the unpleasant taste and aftertaste usually found with iron supplements.

The invention relates to a method for preparing lithium iron pyrophosphate used as a positive material for a lithium ion battery. The method comprises the following steps: mixing a lithium source compound, an iron source compound, a phosphorus source compound and a chelating agent, used as raw materials, dissolving into water, and stirring at room temperature for 0.5-2h to obtain sol; heating to be at 50-100 DEG C and keeping the temperature for 2-10h to form gel; drying the gel in a vacuum drying oven at 100-120 DEG C to obtain dried gel; ball-milling the dried gel for 1-4h, grinding uniformly, sintering at 500-700 DEG C for 2-16h in protective atmosphere, and naturally cooling to be at room temperature to obtain the lithium iron pyrophosphate. The prepared lithium iron pyrophosphate particles are uniform, have high crystallinity degree and good dispersibility; the battery manufactured by the lithium iron pyrophosphate has high charging and discharging capacity and charging platform and good cycle life, and can meet various requirements of the lithium ion battery in practical application.

The invention relates to an LFP (lithium iron phosphate) positive electrode material with excellent low-temperature property. The LFP positive electrode material comprises LFP particles, and lithium iron pyrophosphate covering the LFP particles. The preparation method comprises the steps of fully mixing a Li-source compound, a Fe-source compound, a P-source compound and a compound containing doped metal M in a dispersing agent according to the molar ratio of X:1:1:Y, grinding and drying to obtain a dry material A, wherein X is not less than 1.02 and not greater than 1.10, and Y is not less than 0 and not greater than 0.05; heating the material A to obtain a sintered material B; adding B, the Li-source compound, the Fe-source compound and the P-source compound into the dispersing agent, grinding, and drying to obtain a dry material C; and heating the material C to obtain the LFP particles coated with lithium iron pyrophosphate. Furthermore, a carbon layer can be generated to improve the electron conductivity. The LFP positive electrode material provided by the invention is effectively improved in the low-temperature property and the rate capability.

The invention discloses a method for preparing lithium iron phosphate and lithium iron pyrophosphate by taking mineral leaching tail liquor as an iron source. The method comprises the following steps: spraying a phosphate or pyrophosphate solution into the mineral leaching tail liquor, adding an organic flocculant after complete precipitation, and dehydrating and drying the precipitate to obtain ferric phosphate or ferric pyrophosphate; uniformly mixing ferric phosphate with lithium formate, or lithium acetate, or lithium oxalate, grinding the mixture, heating the ground mixture in a protective atmosphere, and cooling to obtain lithium iron phosphate or lithium iron pyrophosphate; and uniformly mixing ferric pyrophosphate with sodium pyrophosphate and lithium formate, or lithium acetate, or lithium oxalate, grinding the mixture, drying the ground mixture in a drying oven, heating the dried mixture in a protective atmosphere, cooling to the room temperature, leaching, and drying to obtain lithium iron pyrophosphate. The method realizes recycling of dissolved iron while achieving harmless disposal of mineral leaching tail liquor, and the prepared lithium iron phosphate and lithium iron pyrophosphate are easy for precipitation and recovery, are materials for manufacturing zincodes, are not cheap and have a wide market prospect.

The invention discloses a DHA calcium-iron-zinc nutritional organic rice flour used for infants and capable of promoting intelligence development. The DHA calcium-iron-zinc nutritional organic rice flour comprises, by weight, 80 to 90 parts of organic rice, 0.4 to 0.5 part of DHA algal oil, 0.3 to 0.8 part of calcium carbonate, 0.1 to 0.3 part of iron pyrophosphate, 0.1 to 0.3 part of zinc gluconate, 1.5 to 3.5 parts of health care pectin, 0.2 to 0.4 part of inulin, 0.5 to 1 part of oligofructose, 0.05 to 0.1 part of nucleotides, 0.05 to 0.1 part of glutamine, 0.05 to 0.1 part of probiotics and 0.05 to 0.1 part of multivitamins. The DHA calcium-iron-zinc nutritional organic rice flour of the invention aims to solve the problems that the traditional rice flour for infants has a single nutrient component and rough taste, cannot improve the intestinal functions of infants and the like, and also overcomes the defects that traditional rice flour containing traditional Chinese medicinal ingredients has poor taste and cannot effectively play the health care role of traditional Chinese medicines.

The invention discloses a ceramic dielectric material with a large sintering shrinking percentage. The ceramic dielectric material is characterized by comprising, by weight, 11-36 parts of ferric sodium pyrophosphate, 20-34.6 parts of sodium carbonate, 1-19 parts of borax, 10-31 parts of zirconium dioxide, 5-19 parts of chromic oxide, 24-69 parts of magnesite, 12.4-35.8 parts of magnesium oxide, 21-38 parts of kaolin, 14-79 parts of chinastone, 2-18 parts of ferric oxide, 0-27 parts of sericite, 10-34 parts of aluminum oxide and 2-17 parts of butyl rubber. The ceramic dielectric material is low in sintering temperature, high in dielectric constant, low in dielectric loss, wide in sintering shrinking percentage range and capable of cofiring with a silver inner electrode with high conductivity.

The invention discloses a high-temperature-resistant and corrosion-resistant paint. The high-temperature-resistant and corrosion-resistant paint is characterized by comprising the following raw materials in parts by weight: 30 to 35 parts of cyanamide resin, 1 to 2 parts of ferric pyrophosphate, 5 to 6 parts of iron oxide red, 2 to 4 parts of glycolic acid, 3 to 5 parts of glass flake, 5 to 8 parts of polycarbonate, 3 to 5 parts of silicon-aluminum oxide powder, 2 to 3 parts of epoxidized soybean oil, 12 to 16 parts of rosin cis-butenedioic acid glyceride, 1 to 2 parts of coconut oil diethanolamine, 0.5 to 1.0 part of ozocerite oxide, 0.5 to 1.0 part of dicumyl peroxide, 0.5 to 0.7 part of fumed silica, 3 to 4 parts of aluminum dihydrogen tripolyphosphate, 2 to 4 parts of quartz powder, 7 to 9 parts of acetone, 12 to 16 parts of butyl acetate and 4 to 7 parts of an additive. Aluminum dihydrogen tripolyphosphate added into the paint disclosed by the invention has high corrosion resistance and high high-temperature resistance; the glass flake serving as a filler is added into the paint, so that the paint has high chemical resistance, high anti-aging resistance, high cohesiveness and high corrosion resistance; the added additive promotes the uniform dispersion of the filler in the paint; moreover, damping and noise reducing functions to some extent are also realized, and the damage of noises to human bodies is weakened.

The present invention relates to the field of food processing. Total-nutrient meal replacement powder containing secoisolariciresinol diglucoside comprises the following raw materials in parts by weight: secoisolariciresinol diglucoside, oat, quinoa, buckwheat, barley, black rice, millet, red beans, white kidney beans, chickpeas, mung beans, konjac gum, resistant dextrin, soy protein powder, soy peptides, wolfberry powder, flaxseed microcapsule powder, medium chain fatty acid powder, erythritol, stevioside, silicon dioxide, Vitamin A, Vitamin E, Vitamin B1, Vitamin B2, Vitamin B6, folic Acid,Vitamin C, niacin, pantothenic acid, calcium ascorbate, zinc gluconate, iron pyrophosphate and magnesium gluconate. The prepared total-nutrient meal replacement powder containing the secoisolariciresinol diglucoside has the effects of anti-tumor and increasing satiety.

The invention relates to an iron phosphate feed additive, a preparation method and uses thereof, and belongs to the field of feed additive manufacture. The iron phosphate feed additive is an iron phosphate salt supported on a porous mineral material, and accounts for 1-10% of the weight of the porous mineral material. According to the preparation method, a porous mineral material is used as a dispersing agent, iron phosphate salt micro-particles synthesized by a chemical method are supported on the porous mineral material, and dry crushing or spray drying is performed to prepare the iron phosphate feed additive. According to the present invention, the iron phosphate feed additive has narrow particle size distribution, the iron pyrophosphate salt micro-particle agglomeration problem is well solved, and the prepared supported iron pyrophosphate salt has high bioavailability, can be used as the feed additive in iron supplementing of livestock and poultry, aquatic animals and the like, and can further be used for dietary phosphorus supplementing.

The invention discloses ferric pyrophosphate microcapsule powder applied to Vc-containing series products and a preparation method thereof, the microcapsule powder is prepared from the following raw materials: a wall material, span 80 and ferric pyrophosphate, the mass ratio of the wall material to the ferric pyrophosphate is (1.5-2.5):1, and the addition amount of the span 80 is 0.5-2% of the total mass of the microcapsule powder; and the wall material is composed of starch sodium octenylsuccinate and maltodextrin in a mass ratio of 1:(2-4). On the basis of adopting the starch sodium octenylsuccinate and the maltodextrin, the span 80 emulsifier is also added, so that the prepared microcapsule powder is light in color and good in dispersity and flowability in water, and the blackening phenomenon generated by the microcapsule powder and Vc series products such as Vc and Vc sodium can be better delayed.

The invention discloses a metal cleaning agent. The metal cleaning agent is characterized in that the metal cleaning solution is composed of the following components by mass: 10-15 parts of citric acid, 1-3 parts of trisodium phosphate, 2-5 parts of iron pyrophosphate, 2-5 parts of nekal, 5-8 parts of tartaric acid, 2-3 parts of lauric acid, 1.2-1.6 parts of triethanolamine, 0.8-1.2 parts of sodium ethylene diamine tetracetate, 0.2-0.3 part of sodium nitrate and 40-45 parts of deionized water. The metal cleaning agent has the advantages that: the metal cleaning solution does not combust easily, is safe and reliable in use, and has no damage to metals; the use method is simple, the metal cleaning solution can be used at room temperature, has strong detergency, and can remove residual substances on the surfaces of mechanical parts; the whole technical scheme is simple and reliable in operation, and low in cost, and is conducive to reducing the production cost of enterprises; the metal cleaning solution not only can quickly clean stains on metal surfaces, but also can effectively prevent the generation of rust spots on metal surfaces, and has long-term rust protection and maintenanceefficacy on cleaned metals.

The invention relates to a preparation method of a metallic oxide coated sodium ferric pyrophosphate electrode material, a product and application thereof, and belongs to the technical field of electrode material preparation. The metallic oxide-coated sodium ferric pyrophosphate electrode material comprises sodium ferric pyrophosphate and a metallic oxide coated on the surface of the sodium ferric pyrophosphate, a simple continuous ball milling method is used as a synthesis method, the process is simple and easy to copy and amplify, and after the sodium ferric pyrophosphate is coated with the metallic oxide on the surface, the sodium ferric pyrophosphate can be used for preparing the metallic oxide-coated sodium ferric pyrophosphate electrode material. The stability of the material is further improved, the intrinsic ion diffusivity of the material is also obviously improved, the first effect reaches 88% or above, the specific capacity per gram can reach 107 mA h g <-1 >, the capacity retention rate exceeds 90% after 200 cycles, and the electrochemical performance is close to that of other polyanion materials. Therefore, the material is beneficial to large-current charging and discharging and long-time cycle application in a sodium-ion battery material.

The present invention relates to a lithium ion battery positive electrode lithium iron pyrophosphate preparation method, which comprises: 1, mixing a lithium source-containing compound, an iron source-containing compound and a phosphorus source-containing compound, adding a solvent to form a transparent solution containing the lithium compound, the phosphorus compound and the iron compound, placing the transparent solution into an evaporator, and carrying out pressure reducing evaporation to obtain a small volume transparent gel; and 2, carrying out pre-decomposition and high temperature sintering on the small volume transparent gel, and naturally cooling so as to complete the lithium ion battery positive electrode lithium iron pyrophosphate preparation process. According to the present invention, the material synthesized through the wet sol-gel is sequentially subjected to pressure reducing evaporation, pre-decomposition and sintering so as to achieve the uniform molecular level of the raw material mixing, the material synthesis uniformity is good, the particle size is small, the rate performance is good, and the initial charge-discharge efficiency and the discharge capacity are high; and the inexpensive lithium source, the inexpensive iron source, the inexpensive phosphorus source and the doped elements are used so as to achieve the cheap material price, and the materials are easy to store.

The invention provides composite colostrum and a preparation method thereof. The composite colostrum is prepared from the following components in percentage by weight: 20-40% of soybean protein isolate; 5-10% of lactoferrin-containing whey protein, 0.05-0.5% of a transfer factor, 1-10% of bovine colostrum, 3-40% of oligomeric polysaccharide, 1-10% of polydextrose, 1-20% of a traditional Chinese medicinal extract, 0.18-10% of calcium carbonate, 0.013-0.073% of iron pyrophosphate, 0.002-0.128% of zinc oxide, 0.0003-0.022% of vitamin A, 0.000001-0.00045% of vitamin D, 0.005-1.3% of vitamin C, 0.005-0.85% of vitamin E and 0.0001-1% of B-vitamin. The composite colostrum has the advantages that the spleen can be strengthened, the intestinal microenvironment can be improved, the absorption rate of trace elements can be increased, the composite colostrum is better utilized by the human body, and accordingly, the effects of strengthening nutrition and enhancing human immunity are achieved; through the comprehensive synergistic effect of the components, the human immune system can be enhanced, rehabilitation of patients suffering from respiratory diseases such as recurrent respiratory tractinfections is promoted, and the frequency of developing a disease is reduced.

The invention discloses pregnant woman nutrition bag special dietary protein powder and a preparation method thereof, and the pregnant woman nutrition bag special dietary protein powder comprises thefollowing components in part by weight: 630-650 parts of whole milk powder, 130 to 150 parts of concentrated whey protein, 230 to 260 parts of edible glucose, 5 to 6 parts of iron pyrophosphate, 0.6 to 0.8 parts of vitamin A, 0.2 to 0.3 parts of vitamin D, 0.02 to 0.03 parts of folic acid, 0.002 to 0.003 parts of vitamin B12, and 0.01-0.02 parts of docosahexaenoic acid. The pregnant woman nutrition bag special dietary protein powder is easy for pregnant women to absorb, has a high degree of absorption, provides pregnant women with sufficient nutrition during pregnancy, and promotes the development of the fetus.

The invention discloses a milk powder beneficial to improve immunity, and a preparation method of the milk powder, and relates to the technical field of milk powder production. The milk powder comprises the following raw material components in parts by weight: 280-320 parts of whole milk powder, 40-60 parts of skimmed milk powder, 4-6 parts of lactose, 8-12 parts of whey protein, 4-6 parts of fructo-oligosaccharide, 1.8-2.2 parts of sodium citrate phospholipid, 0.8-1.2 parts of docosahexaenoic acid oil, 0.7-0.9 part of L-sodium ascorbate, 0.4-0.6 part of milk calcium, 0.7-0.9 part of arachidonic acid oil, 0.4-0.6 part of D-calcium pantothenate, 0.5-0.7 part of iron pyrophosphate, 0.5-0.7 part of zinc sulfate, 0.001-0.003 part of d-alpha-tocopherol acetate, 0.04-0.06 part of manganese gluconate, 0.07-0.09 part of nicotinic acid, 0.07-0.09 part of lutein, 0.5-0.7 part of retinyl acetate, 0.4-0.6 part of cholecalciferol, 3-5 parts of Lactobacillus acidophilus, 3-5 parts of Bifidobacteriumlactis HN019, 4-6 parts of Lactobacillus casei, 0.05-0.07 part of phytomenadione, 0.06-0.08 part of thiamine hydrochloride, 0.07-0.09 part of pyridoxine hydrochloride, 0.08-0.12 part of folic acid, 0.8-1.2 parts of lactoferrin, 0.8-1.2 parts of bovine colostrum, and 3-5 parts of a food flavor.